397303328

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{42961}}^1$

素因数の和:43005

約数の個数: 36

約数和(自身を含む): 830928042

約数和(自身を除く): 433624714

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 4624, 9248, 42961, 85922, 171844, 343688, 687376, 730337, 1374752, 1460674, 2921348, 5842696, 11685392, 12415729, 23370784, 24831458, 49662916, 99325832, 198651664, 397303328]

約数ペア:

[(1, 397303328), (2, 198651664), (4, 99325832), (8, 49662916), (16, 24831458), (17, 23370784), (32, 12415729), (34, 11685392), (68, 5842696), (136, 2921348), (272, 1460674), (289, 1374752), (544, 730337), (578, 687376), (1156, 343688), (2312, 171844), (4624, 85922), (9248, 42961)]