642379918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{51481}}^1$

素因数の和:51867

約数の個数: 16

約数和(自身を含む): 1023050304

約数和(自身を除く): 380670386

約数列:

[1, 2, 17, 34, 367, 734, 6239, 12478, 51481, 102962, 875177, 1750354, 18893527, 37787054, 321189959, 642379918]

約数ペア:

[(1, 642379918), (2, 321189959), (17, 37787054), (34, 18893527), (367, 1750354), (734, 875177), (6239, 102962), (12478, 51481)]