81223030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21893}}^1$

素因数の和:21960

約数の個数: 32

約数和(自身を含む): 170247744

約数和(自身を除く): 89024714

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 21893, 43786, 109465, 153251, 218930, 306502, 766255, 1160329, 1532510, 2320658, 5801645, 8122303, 11603290, 16244606, 40611515, 81223030]

約数ペア:

[(1, 81223030), (2, 40611515), (5, 16244606), (7, 11603290), (10, 8122303), (14, 5801645), (35, 2320658), (53, 1532510), (70, 1160329), (106, 766255), (265, 306502), (371, 218930), (530, 153251), (742, 109465), (1855, 43786), (3710, 21893)]