340840565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13411}}^1$

素因数の和:13469

約数の個数: 32

約数和(自身を含む): 486694656

約数和(自身を除く): 145854091

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 13411, 25415, 67055, 174343, 227987, 308453, 871715, 1139935, 1542265, 2963831, 4009889, 5243701, 14819155, 20049445, 26218505, 68168113, 340840565]

約数ペア:

[(1, 340840565), (5, 68168113), (13, 26218505), (17, 20049445), (23, 14819155), (65, 5243701), (85, 4009889), (115, 2963831), (221, 1542265), (299, 1139935), (391, 871715), (1105, 308453), (1495, 227987), (1955, 174343), (5083, 67055), (13411, 25415)]