211161748

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{123631}}^1$

素因数の和:123703

約数の個数: 24

約数和(自身を含む): 429250304

約数和(自身を除く): 218088556

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 123631, 247262, 494524, 865417, 1730834, 3461668, 7541491, 15082982, 30165964, 52790437, 105580874, 211161748]

約数ペア:

[(1, 211161748), (2, 105580874), (4, 52790437), (7, 30165964), (14, 15082982), (28, 7541491), (61, 3461668), (122, 1730834), (244, 865417), (427, 494524), (854, 247262), (1708, 123631)]