987310376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8191}}^1$

素因数の和:8290

約数の個数: 64

約数和(自身を含む): 2133196800

約数和(自身を除く): 1145886424

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 488, 494, 793, 988, 1159, 1586, 1976, 2318, 3172, 4636, 6344, 8191, 9272, 15067, 16382, 30134, 32764, 60268, 65528, 106483, 120536, 155629, 212966, 311258, 425932, 499651, 622516, 851864, 999302, 1245032, 1998604, 2023177, 3997208, 4046354, 6495463, 8092708, 9493369, 12990926, 16185416, 18986738, 25981852, 37973476, 51963704, 75946952, 123413797, 246827594, 493655188, 987310376]

約数ペア:

[(1, 987310376), (2, 493655188), (4, 246827594), (8, 123413797), (13, 75946952), (19, 51963704), (26, 37973476), (38, 25981852), (52, 18986738), (61, 16185416), (76, 12990926), (104, 9493369), (122, 8092708), (152, 6495463), (244, 4046354), (247, 3997208), (488, 2023177), (494, 1998604), (793, 1245032), (988, 999302), (1159, 851864), (1586, 622516), (1976, 499651), (2318, 425932), (3172, 311258), (4636, 212966), (6344, 155629), (8191, 120536), (9272, 106483), (15067, 65528), (16382, 60268), (30134, 32764)]