68204990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20731}}^1$

素因数の和:20792

約数の個数: 32

約数和(自身を含む): 143299584

約数和(自身を除く): 75094594

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 20731, 41462, 103655, 145117, 207310, 290234, 725585, 974357, 1451170, 1948714, 4871785, 6820499, 9743570, 13640998, 34102495, 68204990]

約数ペア:

[(1, 68204990), (2, 34102495), (5, 13640998), (7, 9743570), (10, 6820499), (14, 4871785), (35, 1948714), (47, 1451170), (70, 974357), (94, 725585), (235, 290234), (329, 207310), (470, 145117), (658, 103655), (1645, 41462), (3290, 20731)]