291212132620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{274728427}}^1$

素因数の和:274728489

約数の個数: 24

約数和(自身を含む): 623084074704

約数和(自身を除く): 331871942084

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 274728427, 549456854, 1098913708, 1373642135, 2747284270, 5494568540, 14560606631, 29121213262, 58242426524, 72803033155, 145606066310, 291212132620]

約数ペア:

[(1, 291212132620), (2, 145606066310), (4, 72803033155), (5, 58242426524), (10, 29121213262), (20, 14560606631), (53, 5494568540), (106, 2747284270), (212, 1373642135), (265, 1098913708), (530, 549456854), (1060, 274728427)]