661984

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 24

約数和(自身を含む): 1321488

約数和(自身を除く): 659504

約数列:

[1, 2, 4, 8, 16, 32, 137, 151, 274, 302, 548, 604, 1096, 1208, 2192, 2416, 4384, 4832, 20687, 41374, 82748, 165496, 330992, 661984]

約数ペア:

[(1, 661984), (2, 330992), (4, 165496), (8, 82748), (16, 41374), (32, 20687), (137, 4832), (151, 4384), (274, 2416), (302, 2192), (548, 1208), (604, 1096)]