1226992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 2718576

約数和(自身を除く): 1491584

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 347, 442, 694, 884, 1388, 1768, 2776, 3536, 4511, 5552, 5899, 9022, 11798, 18044, 23596, 36088, 47192, 72176, 76687, 94384, 153374, 306748, 613496, 1226992]

約数ペア:

[(1, 1226992), (2, 613496), (4, 306748), (8, 153374), (13, 94384), (16, 76687), (17, 72176), (26, 47192), (34, 36088), (52, 23596), (68, 18044), (104, 11798), (136, 9022), (208, 5899), (221, 5552), (272, 4511), (347, 3536), (442, 2776), (694, 1768), (884, 1388)]