89419928

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 194400900

約数和(自身を除く): 104980972

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 59, 76, 104, 118, 152, 169, 236, 247, 338, 472, 494, 676, 767, 988, 1121, 1352, 1534, 1976, 2242, 3068, 3211, 3481, 4484, 6136, 6422, 6962, 8968, 9971, 12844, 13924, 14573, 19942, 25688, 27848, 29146, 39884, 45253, 58292, 66139, 79768, 90506, 116584, 132278, 181012, 189449, 264556, 362024, 378898, 529112, 588289, 757796, 859807, 1176578, 1515592, 1719614, 2353156, 3439228, 4706312, 6878456, 11177491, 22354982, 44709964, 89419928]

約数ペア:

[(1, 89419928), (2, 44709964), (4, 22354982), (8, 11177491), (13, 6878456), (19, 4706312), (26, 3439228), (38, 2353156), (52, 1719614), (59, 1515592), (76, 1176578), (104, 859807), (118, 757796), (152, 588289), (169, 529112), (236, 378898), (247, 362024), (338, 264556), (472, 189449), (494, 181012), (676, 132278), (767, 116584), (988, 90506), (1121, 79768), (1352, 66139), (1534, 58292), (1976, 45253), (2242, 39884), (3068, 29146), (3211, 27848), (3481, 25688), (4484, 19942), (6136, 14573), (6422, 13924), (6962, 12844), (8968, 9971)]