865657130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{12781}}^1$

素因数の和:13322

約数の個数: 32

約数和(自身を含む): 1681395408

約数和(自身を除く): 815738278

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 521, 1042, 2605, 5210, 6773, 12781, 13546, 25562, 33865, 63905, 67730, 127810, 166153, 332306, 830765, 1661530, 6658901, 13317802, 33294505, 66589010, 86565713, 173131426, 432828565, 865657130]

約数ペア:

[(1, 865657130), (2, 432828565), (5, 173131426), (10, 86565713), (13, 66589010), (26, 33294505), (65, 13317802), (130, 6658901), (521, 1661530), (1042, 830765), (2605, 332306), (5210, 166153), (6773, 127810), (12781, 67730), (13546, 63905), (25562, 33865)]