647154

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 24

約数和(自身を含む): 1417260

約数和(自身を除く): 770106

約数列:

[1, 2, 3, 6, 9, 18, 157, 229, 314, 458, 471, 687, 942, 1374, 1413, 2061, 2826, 4122, 35953, 71906, 107859, 215718, 323577, 647154]

約数ペア:

[(1, 647154), (2, 323577), (3, 215718), (6, 107859), (9, 71906), (18, 35953), (157, 4122), (229, 2826), (314, 2061), (458, 1413), (471, 1374), (687, 942)]