212720728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{142193}}^1$

素因数の和:142227

約数の個数: 32

約数和(自身を含む): 460708560

約数和(自身を除く): 247987832

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 142193, 284386, 568772, 1137544, 1564123, 2417281, 3128246, 4834562, 6256492, 9669124, 12512984, 19338248, 26590091, 53180182, 106360364, 212720728]

約数ペア:

[(1, 212720728), (2, 106360364), (4, 53180182), (8, 26590091), (11, 19338248), (17, 12512984), (22, 9669124), (34, 6256492), (44, 4834562), (68, 3128246), (88, 2417281), (136, 1564123), (187, 1137544), (374, 568772), (748, 284386), (1496, 142193)]