1287942730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5599751}}^1$

素因数の和:5599781

約数の個数: 16

約数和(自身を含む): 2419092864

約数和(自身を除く): 1131150134

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 5599751, 11199502, 27998755, 55997510, 128794273, 257588546, 643971365, 1287942730]

約数ペア:

[(1, 1287942730), (2, 643971365), (5, 257588546), (10, 128794273), (23, 55997510), (46, 27998755), (115, 11199502), (230, 5599751)]