642603136

素因数分解:

$2^7\times 7^1\times {\mathrm{717191}}^1$

素因数の和:717212

約数の個数: 32

約数和(自身を含む): 1463071680

約数和(自身を除く): 820468544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 717191, 1434382, 2868764, 5020337, 5737528, 10040674, 11475056, 20081348, 22950112, 40162696, 45900224, 80325392, 91800448, 160650784, 321301568, 642603136]

約数ペア:

[(1, 642603136), (2, 321301568), (4, 160650784), (7, 91800448), (8, 80325392), (14, 45900224), (16, 40162696), (28, 22950112), (32, 20081348), (56, 11475056), (64, 10040674), (112, 5737528), (128, 5020337), (224, 2868764), (448, 1434382), (896, 717191)]