209919574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4253}}^1$

素因数の和:4344

約数の個数: 32

約数和(自身を含む): 349168320

約数和(自身を除く): 139248746

約数列:

[1, 2, 23, 29, 37, 46, 58, 74, 667, 851, 1073, 1334, 1702, 2146, 4253, 8506, 24679, 49358, 97819, 123337, 157361, 195638, 246674, 314722, 2836751, 3619303, 4563469, 5673502, 7238606, 9126938, 104959787, 209919574]

約数ペア:

[(1, 209919574), (2, 104959787), (23, 9126938), (29, 7238606), (37, 5673502), (46, 4563469), (58, 3619303), (74, 2836751), (667, 314722), (851, 246674), (1073, 195638), (1334, 157361), (1702, 123337), (2146, 97819), (4253, 49358), (8506, 24679)]