81249870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208333}}^1$

素因数の和:208356

約数の個数: 32

約数和(自身を含む): 210000672

約数和(自身を除く): 128750802

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208333, 416666, 624999, 1041665, 1249998, 2083330, 2708329, 3124995, 5416658, 6249990, 8124987, 13541645, 16249974, 27083290, 40624935, 81249870]

約数ペア:

[(1, 81249870), (2, 40624935), (3, 27083290), (5, 16249974), (6, 13541645), (10, 8124987), (13, 6249990), (15, 5416658), (26, 3124995), (30, 2708329), (39, 2083330), (65, 1249998), (78, 1041665), (130, 624999), (195, 416666), (390, 208333)]