20110324

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:520

約数の個数: 36

約数和(自身を含む): 38737440

約数和(自身を除く): 18627116

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 169, 284, 338, 419, 676, 838, 923, 1676, 1846, 3692, 5447, 10894, 11999, 21788, 23998, 29749, 47996, 59498, 70811, 118996, 141622, 283244, 386737, 773474, 1546948, 5027581, 10055162, 20110324]

約数ペア:

[(1, 20110324), (2, 10055162), (4, 5027581), (13, 1546948), (26, 773474), (52, 386737), (71, 283244), (142, 141622), (169, 118996), (284, 70811), (338, 59498), (419, 47996), (676, 29749), (838, 23998), (923, 21788), (1676, 11999), (1846, 10894), (3692, 5447)]