215439288

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{208759}}^1$

素因数の和:208811

約数の個数: 32

約数和(自身を含む): 551126400

約数和(自身を除く): 335687112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 208759, 417518, 626277, 835036, 1252554, 1670072, 2505108, 5010216, 8976637, 17953274, 26929911, 35906548, 53859822, 71813096, 107719644, 215439288]

約数ペア:

[(1, 215439288), (2, 107719644), (3, 71813096), (4, 53859822), (6, 35906548), (8, 26929911), (12, 17953274), (24, 8976637), (43, 5010216), (86, 2505108), (129, 1670072), (172, 1252554), (258, 835036), (344, 626277), (516, 417518), (1032, 208759)]