209721132

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{21031}}^1$

素因数の和:21318

約数の個数: 36

約数和(自身を含む): 532067536

約数和(自身を除く): 322346404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 2493, 3324, 4986, 9972, 21031, 42062, 63093, 84124, 126186, 189279, 252372, 378558, 757116, 5825587, 11651174, 17476761, 23302348, 34953522, 52430283, 69907044, 104860566, 209721132]

約数ペア:

[(1, 209721132), (2, 104860566), (3, 69907044), (4, 52430283), (6, 34953522), (9, 23302348), (12, 17476761), (18, 11651174), (36, 5825587), (277, 757116), (554, 378558), (831, 252372), (1108, 189279), (1662, 126186), (2493, 84124), (3324, 63093), (4986, 42062), (9972, 21031)]