428437856

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 1114767360

約数和(自身を除く): 686329504

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 71, 77, 79, 88, 112, 124, 142, 154, 158, 176, 217, 224, 248, 284, 308, 316, 341, 352, 434, 496, 497, 553, 568, 616, 632, 682, 781, 868, 869, 992, 994, 1106, 1136, 1232, 1264, 1364, 1562, 1736, 1738, 1988, 2201, 2212, 2272, 2387, 2449, 2464, 2528, 2728, 3124, 3472, 3476, 3976, 4402, 4424, 4774, 4898, 5456, 5467, 5609, 6083, 6248, 6944, 6952, 7952, 8804, 8848, 9548, 9796, 10912, 10934, 11218, 12166, 12496, 13904, 15407, 15904, 17143, 17608, 17696, 19096, 19592, 21868, 22436, 24211, 24332, 24992, 26939, 27808, 30814, 34286, 35216, 38192, 39184, 39263, 43736, 44872, 48422, 48664, 53878, 61628, 61699, 68572, 70432, 76384, 78368, 78526, 87472, 89744, 96844, 97328, 107756, 123256, 123398, 137144, 157052, 169477, 173879, 174944, 179488, 188573, 193688, 194656, 215512, 246512, 246796, 274288, 314104, 338954, 347758, 377146, 387376, 431024, 431893, 493024, 493592, 548576, 628208, 677908, 695516, 754292, 774752, 862048, 863786, 987184, 1217153, 1256416, 1355816, 1391032, 1508584, 1727572, 1912669, 1974368, 2434306, 2711632, 2782064, 3017168, 3455144, 3825338, 4868612, 5423264, 5564128, 6034336, 6910288, 7650676, 9737224, 13388683, 13820576, 15301352, 19474448, 26777366, 30602704, 38948896, 53554732, 61205408, 107109464, 214218928, 428437856]

約数ペア:

[(1, 428437856), (2, 214218928), (4, 107109464), (7, 61205408), (8, 53554732), (11, 38948896), (14, 30602704), (16, 26777366), (22, 19474448), (28, 15301352), (31, 13820576), (32, 13388683), (44, 9737224), (56, 7650676), (62, 6910288), (71, 6034336), (77, 5564128), (79, 5423264), (88, 4868612), (112, 3825338), (124, 3455144), (142, 3017168), (154, 2782064), (158, 2711632), (176, 2434306), (217, 1974368), (224, 1912669), (248, 1727572), (284, 1508584), (308, 1391032), (316, 1355816), (341, 1256416), (352, 1217153), (434, 987184), (496, 863786), (497, 862048), (553, 774752), (568, 754292), (616, 695516), (632, 677908), (682, 628208), (781, 548576), (868, 493592), (869, 493024), (992, 431893), (994, 431024), (1106, 387376), (1136, 377146), (1232, 347758), (1264, 338954), (1364, 314104), (1562, 274288), (1736, 246796), (1738, 246512), (1988, 215512), (2201, 194656), (2212, 193688), (2272, 188573), (2387, 179488), (2449, 174944), (2464, 173879), (2528, 169477), (2728, 157052), (3124, 137144), (3472, 123398), (3476, 123256), (3976, 107756), (4402, 97328), (4424, 96844), (4774, 89744), (4898, 87472), (5456, 78526), (5467, 78368), (5609, 76384), (6083, 70432), (6248, 68572), (6944, 61699), (6952, 61628), (7952, 53878), (8804, 48664), (8848, 48422), (9548, 44872), (9796, 43736), (10912, 39263), (10934, 39184), (11218, 38192), (12166, 35216), (12496, 34286), (13904, 30814), (15407, 27808), (15904, 26939), (17143, 24992), (17608, 24332), (17696, 24211), (19096, 22436), (19592, 21868)]