1561921456

素因数分解:

$2^4\times {\mathrm{2843}}^1\times {\mathrm{34337}}^1$

素因数の和:37188

約数の個数: 20

約数和(自身を含む): 3027375432

約数和(自身を除く): 1465453976

約数列:

[1, 2, 4, 8, 16, 2843, 5686, 11372, 22744, 34337, 45488, 68674, 137348, 274696, 549392, 97620091, 195240182, 390480364, 780960728, 1561921456]

約数ペア:

[(1, 1561921456), (2, 780960728), (4, 390480364), (8, 195240182), (16, 97620091), (2843, 549392), (5686, 274696), (11372, 137348), (22744, 68674), (34337, 45488)]