390430865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{308641}}^1$

素因数の和:308680

約数の個数: 16

約数和(自身を含む): 533333376

約数和(自身を除く): 142902511

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 308641, 1543205, 3395051, 7098743, 16975255, 35493715, 78086173, 390430865]

約数ペア:

[(1, 390430865), (5, 78086173), (11, 35493715), (23, 16975255), (55, 7098743), (115, 3395051), (253, 1543205), (1265, 308641)]