66690455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 92897280

約数和(自身を除く): 26206825

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 713, 1439, 1495, 2015, 3565, 7195, 9269, 18707, 33097, 44609, 46345, 93535, 165485, 223045, 430261, 579917, 1026007, 2151305, 2899585, 5130035, 13338091, 66690455]

約数ペア:

[(1, 66690455), (5, 13338091), (13, 5130035), (23, 2899585), (31, 2151305), (65, 1026007), (115, 579917), (155, 430261), (299, 223045), (403, 165485), (713, 93535), (1439, 46345), (1495, 44609), (2015, 33097), (3565, 18707), (7195, 9269)]