28356816

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 160

約数和(自身を含む): 85708800

約数和(自身を除く): 57351984

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 31, 34, 38, 48, 51, 57, 59, 62, 68, 76, 93, 102, 114, 118, 124, 136, 152, 177, 186, 204, 228, 236, 248, 272, 304, 323, 354, 372, 408, 456, 472, 496, 527, 589, 646, 708, 744, 816, 912, 944, 969, 1003, 1054, 1121, 1178, 1292, 1416, 1488, 1581, 1767, 1829, 1938, 2006, 2108, 2242, 2356, 2584, 2832, 3009, 3162, 3363, 3534, 3658, 3876, 4012, 4216, 4484, 4712, 5168, 5487, 6018, 6324, 6726, 7068, 7316, 7752, 8024, 8432, 8968, 9424, 10013, 10974, 12036, 12648, 13452, 14136, 14632, 15504, 16048, 17936, 19057, 20026, 21948, 24072, 25296, 26904, 28272, 29264, 30039, 31093, 34751, 38114, 40052, 43896, 48144, 53808, 57171, 60078, 62186, 69502, 76228, 80104, 87792, 93279, 104253, 114342, 120156, 124372, 139004, 152456, 160208, 186558, 208506, 228684, 240312, 248744, 278008, 304912, 373116, 417012, 457368, 480624, 497488, 556016, 590767, 746232, 834024, 914736, 1181534, 1492464, 1668048, 1772301, 2363068, 3544602, 4726136, 7089204, 9452272, 14178408, 28356816]

約数ペア:

[(1, 28356816), (2, 14178408), (3, 9452272), (4, 7089204), (6, 4726136), (8, 3544602), (12, 2363068), (16, 1772301), (17, 1668048), (19, 1492464), (24, 1181534), (31, 914736), (34, 834024), (38, 746232), (48, 590767), (51, 556016), (57, 497488), (59, 480624), (62, 457368), (68, 417012), (76, 373116), (93, 304912), (102, 278008), (114, 248744), (118, 240312), (124, 228684), (136, 208506), (152, 186558), (177, 160208), (186, 152456), (204, 139004), (228, 124372), (236, 120156), (248, 114342), (272, 104253), (304, 93279), (323, 87792), (354, 80104), (372, 76228), (408, 69502), (456, 62186), (472, 60078), (496, 57171), (527, 53808), (589, 48144), (646, 43896), (708, 40052), (744, 38114), (816, 34751), (912, 31093), (944, 30039), (969, 29264), (1003, 28272), (1054, 26904), (1121, 25296), (1178, 24072), (1292, 21948), (1416, 20026), (1488, 19057), (1581, 17936), (1767, 16048), (1829, 15504), (1938, 14632), (2006, 14136), (2108, 13452), (2242, 12648), (2356, 12036), (2584, 10974), (2832, 10013), (3009, 9424), (3162, 8968), (3363, 8432), (3534, 8024), (3658, 7752), (3876, 7316), (4012, 7068), (4216, 6726), (4484, 6324), (4712, 6018), (5168, 5487)]