81981718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26497}}^1$

素因数の和:26536

約数の個数: 32

約数和(自身を含む): 160259904

約数和(自身を除く): 78278186

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 26497, 52994, 185479, 344461, 370958, 450449, 688922, 900898, 2411227, 3153143, 4822454, 5855837, 6306286, 11711674, 40990859, 81981718]

約数ペア:

[(1, 81981718), (2, 40990859), (7, 11711674), (13, 6306286), (14, 5855837), (17, 4822454), (26, 3153143), (34, 2411227), (91, 900898), (119, 688922), (182, 450449), (221, 370958), (238, 344461), (442, 185479), (1547, 52994), (3094, 26497)]