28682390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 27926890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 239, 478, 1091, 1195, 2182, 2390, 2629, 5258, 5455, 10910, 12001, 13145, 24002, 26290, 60005, 120010, 260749, 521498, 1303745, 2607490, 2868239, 5736478, 14341195, 28682390]

約数ペア:

[(1, 28682390), (2, 14341195), (5, 5736478), (10, 2868239), (11, 2607490), (22, 1303745), (55, 521498), (110, 260749), (239, 120010), (478, 60005), (1091, 26290), (1195, 24002), (2182, 13145), (2390, 12001), (2629, 10910), (5258, 5455)]