99879985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{3271}}^1$

素因数の和:3504

約数の個数: 16

約数和(自身を含む): 124388352

約数和(自身を除く): 24508367

約数列:

[1, 5, 31, 155, 197, 985, 3271, 6107, 16355, 30535, 101401, 507005, 644387, 3221935, 19975997, 99879985]

約数ペア:

[(1, 99879985), (5, 19975997), (31, 3221935), (155, 644387), (197, 507005), (985, 101401), (3271, 30535), (6107, 16355)]