220661742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{20443}}^1$

素因数の和:20712

約数の個数: 32

約数和(自身を含む): 506356992

約数和(自身を除く): 285695250

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 3598, 5397, 10794, 20443, 40886, 61329, 122658, 143101, 286202, 429303, 858606, 5253851, 10507702, 15761553, 31523106, 36776957, 73553914, 110330871, 220661742]

約数ペア:

[(1, 220661742), (2, 110330871), (3, 73553914), (6, 36776957), (7, 31523106), (14, 15761553), (21, 10507702), (42, 5253851), (257, 858606), (514, 429303), (771, 286202), (1542, 143101), (1799, 122658), (3598, 61329), (5397, 40886), (10794, 20443)]