161818321

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{3301}}^1$

素因数の和:3504

約数の個数: 16

約数和(自身を含む): 190195200

約数和(自身を除く): 28376879

約数列:

[1, 7, 47, 149, 329, 1043, 3301, 7003, 23107, 49021, 155147, 491849, 1086029, 3442943, 23116903, 161818321]

約数ペア:

[(1, 161818321), (7, 23116903), (47, 3442943), (149, 1086029), (329, 491849), (1043, 155147), (3301, 49021), (7003, 23107)]