27880456788275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{19862473}}^1$

素因数の和:19863120

約数の個数: 48

約数和(自身を含む): 42618831011904

約数和(自身を除く): 14738374223629

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 617, 2275, 3085, 4319, 8021, 15425, 21595, 40105, 56147, 107975, 200525, 280735, 1403675, 19862473, 99312365, 139037311, 258212149, 496561825, 695186555, 1291060745, 1807485043, 3475932775, 6455303725, 9037425215, 12255145841, 45187126075, 61275729205, 85786020887, 159316895933, 306378646025, 428930104435, 796584479665, 1115218271531, 2144650522175, 3982922398325, 5576091357655, 27880456788275]

約数ペア:

[(1, 27880456788275), (5, 5576091357655), (7, 3982922398325), (13, 2144650522175), (25, 1115218271531), (35, 796584479665), (65, 428930104435), (91, 306378646025), (175, 159316895933), (325, 85786020887), (455, 61275729205), (617, 45187126075), (2275, 12255145841), (3085, 9037425215), (4319, 6455303725), (8021, 3475932775), (15425, 1807485043), (21595, 1291060745), (40105, 695186555), (56147, 496561825), (107975, 258212149), (200525, 139037311), (280735, 99312365), (1403675, 19862473)]