215584668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1663}}^1$

素因数の和:1963

約数の個数: 72

約数和(自身を含む): 589342208

約数和(自身を除く): 373757540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 277, 468, 554, 831, 1108, 1662, 1663, 2493, 3324, 3326, 3601, 4986, 4989, 6652, 7202, 9972, 9978, 10803, 14404, 14967, 19956, 21606, 21619, 29934, 32409, 43212, 43238, 59868, 64818, 64857, 86476, 129636, 129714, 194571, 259428, 389142, 460651, 778284, 921302, 1381953, 1842604, 2763906, 4145859, 5527812, 5988463, 8291718, 11976926, 16583436, 17965389, 23953852, 35930778, 53896167, 71861556, 107792334, 215584668]

約数ペア:

[(1, 215584668), (2, 107792334), (3, 71861556), (4, 53896167), (6, 35930778), (9, 23953852), (12, 17965389), (13, 16583436), (18, 11976926), (26, 8291718), (36, 5988463), (39, 5527812), (52, 4145859), (78, 2763906), (117, 1842604), (156, 1381953), (234, 921302), (277, 778284), (468, 460651), (554, 389142), (831, 259428), (1108, 194571), (1662, 129714), (1663, 129636), (2493, 86476), (3324, 64857), (3326, 64818), (3601, 59868), (4986, 43238), (4989, 43212), (6652, 32409), (7202, 29934), (9972, 21619), (9978, 21606), (10803, 19956), (14404, 14967)]