81505868

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{3049}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 147058800

約数和(自身を除く): 65552932

約数列:

[1, 2, 4, 41, 82, 163, 164, 326, 652, 3049, 6098, 6683, 12196, 13366, 26732, 125009, 250018, 496987, 500036, 993974, 1987948, 20376467, 40752934, 81505868]

約数ペア:

[(1, 81505868), (2, 40752934), (4, 20376467), (41, 1987948), (82, 993974), (163, 500036), (164, 496987), (326, 250018), (652, 125009), (3049, 26732), (6098, 13366), (6683, 12196)]