1636996946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 2960737920

約数和(自身を除く): 1323740974

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 397, 442, 491, 494, 646, 794, 982, 4199, 5161, 6383, 6749, 7543, 8347, 8398, 9329, 10322, 12766, 13498, 15086, 16694, 18658, 87737, 98059, 108511, 121277, 128231, 158593, 175474, 194927, 196118, 217022, 242554, 256462, 317186, 389854, 1667003, 2061709, 2534051, 3313759, 3334006, 3703613, 4123418, 5068102, 6627518, 7407226, 43078867, 48146969, 62961421, 86157734, 96293938, 125922842, 818498473, 1636996946]

約数ペア:

[(1, 1636996946), (2, 818498473), (13, 125922842), (17, 96293938), (19, 86157734), (26, 62961421), (34, 48146969), (38, 43078867), (221, 7407226), (247, 6627518), (323, 5068102), (397, 4123418), (442, 3703613), (491, 3334006), (494, 3313759), (646, 2534051), (794, 2061709), (982, 1667003), (4199, 389854), (5161, 317186), (6383, 256462), (6749, 242554), (7543, 217022), (8347, 196118), (8398, 194927), (9329, 175474), (10322, 158593), (12766, 128231), (13498, 121277), (15086, 108511), (16694, 98059), (18658, 87737)]