425399990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{538481}}^1$

素因数の和:538567

約数の個数: 16

約数和(自身を含む): 775414080

約数和(自身を除く): 350014090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 538481, 1076962, 2692405, 5384810, 42539999, 85079998, 212699995, 425399990]

約数ペア:

[(1, 425399990), (2, 212699995), (5, 85079998), (10, 42539999), (79, 5384810), (158, 2692405), (395, 1076962), (790, 538481)]