1490227568

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{145303}}^1$

素因数の和:145952

約数の個数: 20

約数和(自身を含む): 2891840208

約数和(自身を除く): 1401612640

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 145303, 290606, 581212, 1162424, 2324848, 93139223, 186278446, 372556892, 745113784, 1490227568]

約数ペア:

[(1, 1490227568), (2, 745113784), (4, 372556892), (8, 186278446), (16, 93139223), (641, 2324848), (1282, 1162424), (2564, 581212), (5128, 290606), (10256, 145303)]