218438545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{8867}}^1$

素因数の和:9264

約数の個数: 16

約数和(自身を含む): 283066560

約数和(自身を除く): 64628015

約数列:

[1, 5, 13, 65, 379, 1895, 4927, 8867, 24635, 44335, 115271, 576355, 3360593, 16802965, 43687709, 218438545]

約数ペア:

[(1, 218438545), (5, 43687709), (13, 16802965), (65, 3360593), (379, 576355), (1895, 115271), (4927, 44335), (8867, 24635)]