31959590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18911}}^1$

素因数の和:18944

約数の個数: 24

約数和(自身を含む): 62296128

約数和(自身を除く): 30336538

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18911, 37822, 94555, 189110, 245843, 491686, 1229215, 2458430, 3195959, 6391918, 15979795, 31959590]

約数ペア:

[(1, 31959590), (2, 15979795), (5, 6391918), (10, 3195959), (13, 2458430), (26, 1229215), (65, 491686), (130, 245843), (169, 189110), (338, 94555), (845, 37822), (1690, 18911)]