173438590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78479}}^1$

素因数の和:78516

約数の個数: 32

約数和(自身を含む): 355985280

約数和(自身を除く): 182546690

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 78479, 156958, 392395, 784790, 1020227, 1334143, 2040454, 2668286, 5101135, 6670715, 10202270, 13341430, 17343859, 34687718, 86719295, 173438590]

約数ペア:

[(1, 173438590), (2, 86719295), (5, 34687718), (10, 17343859), (13, 13341430), (17, 10202270), (26, 6670715), (34, 5101135), (65, 2668286), (85, 2040454), (130, 1334143), (170, 1020227), (221, 784790), (442, 392395), (1105, 156958), (2210, 78479)]