1285459970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1810507}}^1$

素因数の和:1810585

約数の個数: 16

約数和(自身を含む): 2346418368

約数和(自身を除く): 1060958398

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1810507, 3621014, 9052535, 18105070, 128545997, 257091994, 642729985, 1285459970]

約数ペア:

[(1, 1285459970), (2, 642729985), (5, 257091994), (10, 128545997), (71, 18105070), (142, 9052535), (355, 3621014), (710, 1810507)]