81348604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{647}}^1$

素因数の和:754

約数の個数: 36

約数和(自身を含む): 154559664

約数和(自身を除く): 73211060

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 647, 731, 1294, 1462, 1849, 2588, 2924, 3698, 7396, 10999, 21998, 27821, 31433, 43996, 55642, 62866, 111284, 125732, 472957, 945914, 1196303, 1891828, 2392606, 4785212, 20337151, 40674302, 81348604]

約数ペア:

[(1, 81348604), (2, 40674302), (4, 20337151), (17, 4785212), (34, 2392606), (43, 1891828), (68, 1196303), (86, 945914), (172, 472957), (647, 125732), (731, 111284), (1294, 62866), (1462, 55642), (1849, 43996), (2588, 31433), (2924, 27821), (3698, 21998), (7396, 10999)]