321475456

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{81017}}^1$

素因数の和:81062

約数の個数: 32

約数和(自身を含む): 661106880

約数和(自身を除く): 339631424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 81017, 162034, 324068, 648136, 1296272, 2511527, 2592544, 5023054, 5185088, 10046108, 10370176, 20092216, 40184432, 80368864, 160737728, 321475456]

約数ペア:

[(1, 321475456), (2, 160737728), (4, 80368864), (8, 40184432), (16, 20092216), (31, 10370176), (32, 10046108), (62, 5185088), (64, 5023054), (124, 2592544), (128, 2511527), (248, 1296272), (496, 648136), (992, 324068), (1984, 162034), (3968, 81017)]