78333788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 154145376

約数和(自身を除く): 75811588

約数列:

[1, 2, 4, 13, 26, 43, 52, 53, 86, 106, 172, 212, 559, 661, 689, 1118, 1322, 1378, 2236, 2279, 2644, 2756, 4558, 8593, 9116, 17186, 28423, 29627, 34372, 35033, 56846, 59254, 70066, 113692, 118508, 140132, 369499, 455429, 738998, 910858, 1477996, 1506419, 1821716, 3012838, 6025676, 19583447, 39166894, 78333788]

約数ペア:

[(1, 78333788), (2, 39166894), (4, 19583447), (13, 6025676), (26, 3012838), (43, 1821716), (52, 1506419), (53, 1477996), (86, 910858), (106, 738998), (172, 455429), (212, 369499), (559, 140132), (661, 118508), (689, 113692), (1118, 70066), (1322, 59254), (1378, 56846), (2236, 35033), (2279, 34372), (2644, 29627), (2756, 28423), (4558, 17186), (8593, 9116)]