128425870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{414277}}^1$

素因数の和:414315

約数の個数: 16

約数和(自身を含む): 238624128

約数和(自身を除く): 110198258

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 414277, 828554, 2071385, 4142770, 12842587, 25685174, 64212935, 128425870]

約数ペア:

[(1, 128425870), (2, 64212935), (5, 25685174), (10, 12842587), (31, 4142770), (62, 2071385), (155, 828554), (310, 414277)]