388757590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2990443}}^1$

素因数の和:2990463

約数の個数: 16

約数和(自身を含む): 753591888

約数和(自身を除く): 364834298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2990443, 5980886, 14952215, 29904430, 38875759, 77751518, 194378795, 388757590]

約数ペア:

[(1, 388757590), (2, 194378795), (5, 77751518), (10, 38875759), (13, 29904430), (26, 14952215), (65, 5980886), (130, 2990443)]