290438590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2234143}}^1$

素因数の和:2234163

約数の個数: 16

約数和(自身を含む): 563004288

約数和(自身を除く): 272565698

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2234143, 4468286, 11170715, 22341430, 29043859, 58087718, 145219295, 290438590]

約数ペア:

[(1, 290438590), (2, 145219295), (5, 58087718), (10, 29043859), (13, 22341430), (26, 11170715), (65, 4468286), (130, 2234143)]