221761778

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{120917}}^1$

素因数の和:121057

約数の個数: 16

約数和(自身を含む): 383068224

約数和(自身を除く): 161306446

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 120917, 241834, 846419, 1692838, 15840127, 31680254, 110880889, 221761778]

約数ペア:

[(1, 221761778), (2, 110880889), (7, 31680254), (14, 15840127), (131, 1692838), (262, 846419), (917, 241834), (1834, 120917)]