256207965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{5639}}^1$

素因数の和:5893

約数の個数: 32

約数和(自身を含む): 443439360

約数和(自身を除く): 187231395

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 233, 699, 1165, 3029, 3495, 5639, 9087, 15145, 16917, 28195, 45435, 73307, 84585, 219921, 366535, 1099605, 1313887, 3941661, 6569435, 17080531, 19708305, 51241593, 85402655, 256207965]

約数ペア:

[(1, 256207965), (3, 85402655), (5, 51241593), (13, 19708305), (15, 17080531), (39, 6569435), (65, 3941661), (195, 1313887), (233, 1099605), (699, 366535), (1165, 219921), (3029, 84585), (3495, 73307), (5639, 45435), (9087, 28195), (15145, 16917)]