2538884270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19529879}}^1$

素因数の和:19529899

約数の個数: 16

約数和(自身を含む): 4921529760

約数和(自身を除く): 2382645490

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 19529879, 39059758, 97649395, 195298790, 253888427, 507776854, 1269442135, 2538884270]

約数ペア:

[(1, 2538884270), (2, 1269442135), (5, 507776854), (10, 253888427), (13, 195298790), (26, 97649395), (65, 39059758), (130, 19529879)]