634285421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{643}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 827947008

約数和(自身を除く): 193661587

約数列:

[1, 7, 11, 23, 77, 161, 253, 557, 643, 1771, 3899, 4501, 6127, 7073, 12811, 14789, 42889, 49511, 89677, 103523, 140921, 162679, 358151, 986447, 1138753, 2507057, 3939661, 8237473, 27577627, 57662311, 90612203, 634285421]

約数ペア:

[(1, 634285421), (7, 90612203), (11, 57662311), (23, 27577627), (77, 8237473), (161, 3939661), (253, 2507057), (557, 1138753), (643, 986447), (1771, 358151), (3899, 162679), (4501, 140921), (6127, 103523), (7073, 89677), (12811, 49511), (14789, 42889)]