688516972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{3449}}^1$

素因数の和:3826

約数の個数: 48

約数和(自身を含む): 1420020000

約数和(自身を除く): 731503028

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 349, 572, 698, 1396, 3449, 3839, 4537, 6898, 7678, 9074, 13796, 15356, 18148, 37939, 44837, 49907, 75878, 89674, 99814, 151756, 179348, 199628, 493207, 986414, 1203701, 1972828, 2407402, 4814804, 13240711, 15648113, 26481422, 31296226, 52962844, 62592452, 172129243, 344258486, 688516972]

約数ペア:

[(1, 688516972), (2, 344258486), (4, 172129243), (11, 62592452), (13, 52962844), (22, 31296226), (26, 26481422), (44, 15648113), (52, 13240711), (143, 4814804), (286, 2407402), (349, 1972828), (572, 1203701), (698, 986414), (1396, 493207), (3449, 199628), (3839, 179348), (4537, 151756), (6898, 99814), (7678, 89674), (9074, 75878), (13796, 49907), (15356, 44837), (18148, 37939)]