31621070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243239}}^1$

素因数の和:243259

約数の個数: 16

約数和(自身を含む): 61296480

約数和(自身を除く): 29675410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 243239, 486478, 1216195, 2432390, 3162107, 6324214, 15810535, 31621070]

約数ペア:

[(1, 31621070), (2, 15810535), (5, 6324214), (10, 3162107), (13, 2432390), (26, 1216195), (65, 486478), (130, 243239)]