31853990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5113}}^1$

素因数の和:5216

約数の個数: 32

約数和(自身を含む): 66277440

約数和(自身を除く): 34423450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 5113, 6230, 10226, 25565, 35791, 51130, 71582, 178955, 357910, 455057, 910114, 2275285, 3185399, 4550570, 6370798, 15926995, 31853990]

約数ペア:

[(1, 31853990), (2, 15926995), (5, 6370798), (7, 4550570), (10, 3185399), (14, 2275285), (35, 910114), (70, 455057), (89, 357910), (178, 178955), (445, 71582), (623, 51130), (890, 35791), (1246, 25565), (3115, 10226), (5113, 6230)]