2788045130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21446501}}^1$

素因数の和:21446521

約数の個数: 16

約数和(自身を含む): 5404518504

約数和(自身を除く): 2616473374

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21446501, 42893002, 107232505, 214465010, 278804513, 557609026, 1394022565, 2788045130]

約数ペア:

[(1, 2788045130), (2, 1394022565), (5, 557609026), (10, 278804513), (13, 214465010), (26, 107232505), (65, 42893002), (130, 21446501)]