56872021

素因数分解:

${\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 63659520

約数和(自身を除く): 6787499

約数列:

[1, 17, 47, 53, 79, 289, 799, 901, 1343, 2491, 3713, 4187, 13583, 15317, 22831, 42347, 63121, 71179, 196789, 719899, 1073057, 1210043, 3345413, 56872021]

約数ペア:

[(1, 56872021), (17, 3345413), (47, 1210043), (53, 1073057), (79, 719899), (289, 196789), (799, 71179), (901, 63121), (1343, 42347), (2491, 22831), (3713, 15317), (4187, 13583)]