681774148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{85607}}^1$

素因数の和:85803

約数の個数: 24

約数和(自身を含む): 1308775104

約数和(自身を除く): 627000956

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 85607, 171214, 342428, 941677, 1883354, 3766708, 15494867, 30989734, 61979468, 170443537, 340887074, 681774148]

約数ペア:

[(1, 681774148), (2, 340887074), (4, 170443537), (11, 61979468), (22, 30989734), (44, 15494867), (181, 3766708), (362, 1883354), (724, 941677), (1991, 342428), (3982, 171214), (7964, 85607)]