251254346

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{21089}}^1$

素因数の和:21158

約数の個数: 32

約数和(自身を含む): 461617920

約数和(自身を除く): 210363574

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1702, 5957, 11914, 21089, 42178, 147623, 295246, 485047, 780293, 970094, 1560586, 3395329, 5462051, 6790658, 10924102, 17946739, 35893478, 125627173, 251254346]

約数ペア:

[(1, 251254346), (2, 125627173), (7, 35893478), (14, 17946739), (23, 10924102), (37, 6790658), (46, 5462051), (74, 3395329), (161, 1560586), (259, 970094), (322, 780293), (518, 485047), (851, 295246), (1702, 147623), (5957, 42178), (11914, 21089)]