87885688

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 182566440

約数和(自身を除く): 94680752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 163, 242, 326, 484, 557, 652, 968, 1114, 1304, 1793, 2228, 3586, 4456, 6127, 7172, 12254, 14344, 19723, 24508, 39446, 49016, 67397, 78892, 90791, 134794, 157784, 181582, 269588, 363164, 539176, 726328, 998701, 1997402, 3994804, 7989608, 10985711, 21971422, 43942844, 87885688]

約数ペア:

[(1, 87885688), (2, 43942844), (4, 21971422), (8, 10985711), (11, 7989608), (22, 3994804), (44, 1997402), (88, 998701), (121, 726328), (163, 539176), (242, 363164), (326, 269588), (484, 181582), (557, 157784), (652, 134794), (968, 90791), (1114, 78892), (1304, 67397), (1793, 49016), (2228, 39446), (3586, 24508), (4456, 19723), (6127, 14344), (7172, 12254)]