239842018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1259}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 411505920

約数和(自身を除く): 171663902

約数列:

[1, 2, 13, 17, 26, 34, 221, 431, 442, 862, 1259, 2518, 5603, 7327, 11206, 14654, 16367, 21403, 32734, 42806, 95251, 190502, 278239, 542629, 556478, 1085258, 7054177, 9224693, 14108354, 18449386, 119921009, 239842018]

約数ペア:

[(1, 239842018), (2, 119921009), (13, 18449386), (17, 14108354), (26, 9224693), (34, 7054177), (221, 1085258), (431, 556478), (442, 542629), (862, 278239), (1259, 190502), (2518, 95251), (5603, 42806), (7327, 32734), (11206, 21403), (14654, 16367)]