231318311

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1663}}^1$

素因数の和:2342

約数の個数: 16

約数和(自身を含む): 273481728

約数和(自身を除く): 42163417

約数列:

[1, 7, 31, 217, 641, 1663, 4487, 11641, 19871, 51553, 139097, 360871, 1065983, 7461881, 33045473, 231318311]

約数ペア:

[(1, 231318311), (7, 33045473), (31, 7461881), (217, 1065983), (641, 360871), (1663, 139097), (4487, 51553), (11641, 19871)]