78236431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 103154688

約数和(自身を除く): 24918257

約数列:

[1, 7, 13, 17, 91, 103, 119, 221, 491, 721, 1339, 1547, 1751, 3437, 6383, 8347, 9373, 12257, 22763, 44681, 50573, 58429, 108511, 159341, 354011, 657449, 759577, 859741, 4602143, 6018187, 11176633, 78236431]

約数ペア:

[(1, 78236431), (7, 11176633), (13, 6018187), (17, 4602143), (91, 859741), (103, 759577), (119, 657449), (221, 354011), (491, 159341), (721, 108511), (1339, 58429), (1547, 50573), (1751, 44681), (3437, 22763), (6383, 12257), (8347, 9373)]