39219986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 67903920

約数和(自身を除く): 28683934

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 997, 1157, 1513, 1994, 2314, 3026, 12961, 16949, 19669, 25922, 33898, 39338, 88733, 177466, 220337, 440674, 1153529, 1508461, 2307058, 3016922, 19609993, 39219986]

約数ペア:

[(1, 39219986), (2, 19609993), (13, 3016922), (17, 2307058), (26, 1508461), (34, 1153529), (89, 440674), (178, 220337), (221, 177466), (442, 88733), (997, 39338), (1157, 33898), (1513, 25922), (1994, 19669), (2314, 16949), (3026, 12961)]