442390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 889056

約数和(自身を除く): 446666

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 83, 130, 166, 205, 410, 415, 533, 830, 1066, 1079, 2158, 2665, 3403, 5330, 5395, 6806, 10790, 17015, 34030, 44239, 88478, 221195, 442390]

約数ペア:

[(1, 442390), (2, 221195), (5, 88478), (10, 44239), (13, 34030), (26, 17015), (41, 10790), (65, 6806), (82, 5395), (83, 5330), (130, 3403), (166, 2665), (205, 2158), (410, 1079), (415, 1066), (533, 830)]