490019218

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{17467}}^1$

素因数の和:17578

約数の個数: 24

約数和(自身を含む): 805554288

約数和(自身を除く): 315535070

約数列:

[1, 2, 13, 26, 83, 166, 169, 338, 1079, 2158, 14027, 17467, 28054, 34934, 227071, 454142, 1449761, 2899522, 2951923, 5903846, 18846893, 37693786, 245009609, 490019218]

約数ペア:

[(1, 490019218), (2, 245009609), (13, 37693786), (26, 18846893), (83, 5903846), (166, 2951923), (169, 2899522), (338, 1449761), (1079, 454142), (2158, 227071), (14027, 34934), (17467, 28054)]