251570590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{2521}}^1$

素因数の和:3132

約数の個数: 32

約数和(自身を含む): 480471264

約数和(自身を除く): 228900674

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 587, 1174, 2521, 2935, 5042, 5870, 9979, 12605, 19958, 25210, 42857, 49895, 85714, 99790, 214285, 428570, 1479827, 2959654, 7399135, 14798270, 25157059, 50314118, 125785295, 251570590]

約数ペア:

[(1, 251570590), (2, 125785295), (5, 50314118), (10, 25157059), (17, 14798270), (34, 7399135), (85, 2959654), (170, 1479827), (587, 428570), (1174, 214285), (2521, 99790), (2935, 85714), (5042, 49895), (5870, 42857), (9979, 25210), (12605, 19958)]