221076128

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 560528640

約数和(自身を除く): 339452512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 79, 91, 104, 112, 124, 158, 182, 208, 217, 224, 248, 316, 364, 403, 416, 434, 496, 553, 632, 728, 806, 868, 961, 992, 1027, 1106, 1264, 1456, 1612, 1736, 1922, 2054, 2212, 2449, 2528, 2821, 2912, 3224, 3472, 3844, 4108, 4424, 4898, 5642, 6448, 6727, 6944, 7189, 7688, 8216, 8848, 9796, 11284, 12493, 12896, 13454, 14378, 15376, 16432, 17143, 17696, 19592, 22568, 24986, 26908, 28756, 30752, 31837, 32864, 34286, 39184, 45136, 49972, 53816, 57512, 63674, 68572, 75919, 78368, 87451, 90272, 99944, 107632, 115024, 127348, 137144, 151838, 174902, 199888, 215264, 222859, 230048, 254696, 274288, 303676, 349804, 399776, 445718, 509392, 531433, 548576, 607352, 699608, 891436, 986947, 1018784, 1062866, 1214704, 1399216, 1782872, 1973894, 2125732, 2429408, 2798432, 3565744, 3947788, 4251464, 6908629, 7131488, 7895576, 8502928, 13817258, 15791152, 17005856, 27634516, 31582304, 55269032, 110538064, 221076128]

約数ペア:

[(1, 221076128), (2, 110538064), (4, 55269032), (7, 31582304), (8, 27634516), (13, 17005856), (14, 15791152), (16, 13817258), (26, 8502928), (28, 7895576), (31, 7131488), (32, 6908629), (52, 4251464), (56, 3947788), (62, 3565744), (79, 2798432), (91, 2429408), (104, 2125732), (112, 1973894), (124, 1782872), (158, 1399216), (182, 1214704), (208, 1062866), (217, 1018784), (224, 986947), (248, 891436), (316, 699608), (364, 607352), (403, 548576), (416, 531433), (434, 509392), (496, 445718), (553, 399776), (632, 349804), (728, 303676), (806, 274288), (868, 254696), (961, 230048), (992, 222859), (1027, 215264), (1106, 199888), (1264, 174902), (1456, 151838), (1612, 137144), (1736, 127348), (1922, 115024), (2054, 107632), (2212, 99944), (2449, 90272), (2528, 87451), (2821, 78368), (2912, 75919), (3224, 68572), (3472, 63674), (3844, 57512), (4108, 53816), (4424, 49972), (4898, 45136), (5642, 39184), (6448, 34286), (6727, 32864), (6944, 31837), (7189, 30752), (7688, 28756), (8216, 26908), (8848, 24986), (9796, 22568), (11284, 19592), (12493, 17696), (12896, 17143), (13454, 16432), (14378, 15376)]