221491010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{6287}}^1$

素因数の和:6578

約数の個数: 32

約数和(自身を含む): 431004672

約数和(自身を除く): 209513662

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1355, 2710, 3523, 6287, 7046, 12574, 17615, 31435, 35230, 62870, 81731, 163462, 408655, 817310, 1703777, 3407554, 8518885, 17037770, 22149101, 44298202, 110745505, 221491010]

約数ペア:

[(1, 221491010), (2, 110745505), (5, 44298202), (10, 22149101), (13, 17037770), (26, 8518885), (65, 3407554), (130, 1703777), (271, 817310), (542, 408655), (1355, 163462), (2710, 81731), (3523, 62870), (6287, 35230), (7046, 31435), (12574, 17615)]