221479672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{22937}}^1$

素因数の和:23031

約数の個数: 32

約数和(自身を含む): 445914720

約数和(自身を除く): 224435048

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 4828, 9656, 22937, 45874, 91748, 183496, 389929, 779858, 1559716, 1628527, 3119432, 3257054, 6514108, 13028216, 27684959, 55369918, 110739836, 221479672]

約数ペア:

[(1, 221479672), (2, 110739836), (4, 55369918), (8, 27684959), (17, 13028216), (34, 6514108), (68, 3257054), (71, 3119432), (136, 1628527), (142, 1559716), (284, 779858), (568, 389929), (1207, 183496), (2414, 91748), (4828, 45874), (9656, 22937)]