81888612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 209059200

約数和(自身を除く): 127170588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 149, 156, 169, 271, 298, 338, 447, 507, 542, 596, 676, 813, 894, 1014, 1084, 1626, 1788, 1937, 2028, 3252, 3523, 3874, 5811, 7046, 7748, 10569, 11622, 14092, 21138, 23244, 25181, 40379, 42276, 45799, 50362, 75543, 80758, 91598, 100724, 121137, 137397, 151086, 161516, 183196, 242274, 274794, 302172, 484548, 524927, 549588, 1049854, 1574781, 2099708, 3149562, 6299124, 6824051, 13648102, 20472153, 27296204, 40944306, 81888612]

約数ペア:

[(1, 81888612), (2, 40944306), (3, 27296204), (4, 20472153), (6, 13648102), (12, 6824051), (13, 6299124), (26, 3149562), (39, 2099708), (52, 1574781), (78, 1049854), (149, 549588), (156, 524927), (169, 484548), (271, 302172), (298, 274794), (338, 242274), (447, 183196), (507, 161516), (542, 151086), (596, 137397), (676, 121137), (813, 100724), (894, 91598), (1014, 80758), (1084, 75543), (1626, 50362), (1788, 45799), (1937, 42276), (2028, 40379), (3252, 25181), (3523, 23244), (3874, 21138), (5811, 14092), (7046, 11622), (7748, 10569)]