72780172

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{2113}}^1$

素因数の和:2305

約数の個数: 24

約数和(自身を含む): 130222400

約数和(自身を除く): 57442228

約数列:

[1, 2, 4, 79, 109, 158, 218, 316, 436, 2113, 4226, 8452, 8611, 17222, 34444, 166927, 230317, 333854, 460634, 667708, 921268, 18195043, 36390086, 72780172]

約数ペア:

[(1, 72780172), (2, 36390086), (4, 18195043), (79, 921268), (109, 667708), (158, 460634), (218, 333854), (316, 230317), (436, 166927), (2113, 34444), (4226, 17222), (8452, 8611)]