219912808

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{450641}}^1$

素因数の和:450708

約数の個数: 16

約数和(自身を含む): 419097060

約数和(自身を除く): 199184252

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 450641, 901282, 1802564, 3605128, 27489101, 54978202, 109956404, 219912808]

約数ペア:

[(1, 219912808), (2, 109956404), (4, 54978202), (8, 27489101), (61, 3605128), (122, 1802564), (244, 901282), (488, 450641)]