13381615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 18547200

約数和(自身を除く): 5165585

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 229, 377, 403, 899, 1145, 1885, 2015, 2977, 4495, 6641, 7099, 11687, 14885, 33205, 35495, 58435, 86333, 92287, 205871, 431665, 461435, 1029355, 2676323, 13381615]

約数ペア:

[(1, 13381615), (5, 2676323), (13, 1029355), (29, 461435), (31, 431665), (65, 205871), (145, 92287), (155, 86333), (229, 58435), (377, 35495), (403, 33205), (899, 14885), (1145, 11687), (1885, 7099), (2015, 6641), (2977, 4495)]