978180580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{16871}}^1$

素因数の和:17116

約数の個数: 48

約数和(自身を含む): 2222244864

約数和(自身を除く): 1244064284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2899, 4460, 5798, 11596, 14495, 16871, 28990, 33742, 57980, 67484, 84355, 168710, 219323, 337420, 438646, 877292, 1096615, 2193230, 3762233, 4386460, 7524466, 15048932, 18811165, 37622330, 48909029, 75244660, 97818058, 195636116, 244545145, 489090290, 978180580]

約数ペア:

[(1, 978180580), (2, 489090290), (4, 244545145), (5, 195636116), (10, 97818058), (13, 75244660), (20, 48909029), (26, 37622330), (52, 18811165), (65, 15048932), (130, 7524466), (223, 4386460), (260, 3762233), (446, 2193230), (892, 1096615), (1115, 877292), (2230, 438646), (2899, 337420), (4460, 219323), (5798, 168710), (11596, 84355), (14495, 67484), (16871, 57980), (28990, 33742)]