31680154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 54608256

約数和(自身を除く): 22928102

約数列:

[1, 2, 11, 22, 23, 46, 137, 253, 274, 457, 506, 914, 1507, 3014, 3151, 5027, 6302, 10054, 10511, 21022, 34661, 62609, 69322, 115621, 125218, 231242, 688699, 1377398, 1440007, 2880014, 15840077, 31680154]

約数ペア:

[(1, 31680154), (2, 15840077), (11, 2880014), (22, 1440007), (23, 1377398), (46, 688699), (137, 231242), (253, 125218), (274, 115621), (457, 69322), (506, 62609), (914, 34661), (1507, 21022), (3014, 10511), (3151, 10054), (5027, 6302)]