64557610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{787}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 125500032

約数和(自身を除く): 60942422

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 631, 787, 1262, 1574, 3155, 3935, 6310, 7870, 8203, 10231, 16406, 20462, 41015, 51155, 82030, 102310, 496597, 993194, 2482985, 4965970, 6455761, 12911522, 32278805, 64557610]

約数ペア:

[(1, 64557610), (2, 32278805), (5, 12911522), (10, 6455761), (13, 4965970), (26, 2482985), (65, 993194), (130, 496597), (631, 102310), (787, 82030), (1262, 51155), (1574, 41015), (3155, 20462), (3935, 16406), (6310, 10231), (7870, 8203)]