4381456

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1350

約数の個数: 20

約数和(自身を含む): 8530704

約数和(自身を除く): 4149248

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 1091, 2008, 2182, 4016, 4364, 8728, 17456, 273841, 547682, 1095364, 2190728, 4381456]

約数ペア:

[(1, 4381456), (2, 2190728), (4, 1095364), (8, 547682), (16, 273841), (251, 17456), (502, 8728), (1004, 4364), (1091, 4016), (2008, 2182)]