318725758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1721}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 546769440

約数和(自身を除く): 228043682

約数列:

[1, 2, 13, 17, 26, 34, 221, 419, 442, 838, 1721, 3442, 5447, 7123, 10894, 14246, 22373, 29257, 44746, 58514, 92599, 185198, 380341, 721099, 760682, 1442198, 9374287, 12258683, 18748574, 24517366, 159362879, 318725758]

約数ペア:

[(1, 318725758), (2, 159362879), (13, 24517366), (17, 18748574), (26, 12258683), (34, 9374287), (221, 1442198), (419, 760682), (442, 721099), (838, 380341), (1721, 185198), (3442, 92599), (5447, 58514), (7123, 44746), (10894, 29257), (14246, 22373)]