201821263

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{23887}}^1$

素因数の和:23982

約数の個数: 16

約数和(自身を含む): 247670784

約数和(自身を除く): 45849521

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 23887, 167209, 406079, 1695977, 2842553, 11871839, 28831609, 201821263]

約数ペア:

[(1, 201821263), (7, 28831609), (17, 11871839), (71, 2842553), (119, 1695977), (497, 406079), (1207, 167209), (8449, 23887)]