251010565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2897}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 342752256

約数和(自身を除く): 91741691

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 403, 559, 1333, 2015, 2795, 2897, 6665, 14485, 17329, 37661, 86645, 89807, 124571, 188305, 449035, 622855, 1167491, 1619423, 3861701, 5837455, 8097115, 19308505, 50202113, 251010565]

約数ペア:

[(1, 251010565), (5, 50202113), (13, 19308505), (31, 8097115), (43, 5837455), (65, 3861701), (155, 1619423), (215, 1167491), (403, 622855), (559, 449035), (1333, 188305), (2015, 124571), (2795, 89807), (2897, 86645), (6665, 37661), (14485, 17329)]