251978766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{19819}}^1$

素因数の和:20000

約数の個数: 32

約数和(自身を含む): 546080640

約数和(自身を除く): 294101874

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 2119, 4238, 6357, 12714, 19819, 39638, 59457, 118914, 257647, 515294, 772941, 1545882, 3230497, 6460994, 9691491, 19382982, 41996461, 83992922, 125989383, 251978766]

約数ペア:

[(1, 251978766), (2, 125989383), (3, 83992922), (6, 41996461), (13, 19382982), (26, 9691491), (39, 6460994), (78, 3230497), (163, 1545882), (326, 772941), (489, 515294), (978, 257647), (2119, 118914), (4238, 59457), (6357, 39638), (12714, 19819)]