168883988

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 375379200

約数和(自身を除く): 206495212

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 158, 182, 196, 316, 364, 553, 637, 839, 1027, 1106, 1274, 1678, 2054, 2212, 2548, 3356, 3871, 4108, 5873, 7189, 7742, 10907, 11746, 14378, 15484, 21814, 23492, 28756, 41111, 43628, 50323, 66281, 76349, 82222, 100646, 132562, 152698, 164444, 201292, 265124, 305396, 463967, 534443, 861653, 927934, 1068886, 1723306, 1855868, 2137772, 3247769, 3446612, 6031571, 6495538, 12063142, 12991076, 24126284, 42220997, 84441994, 168883988]

約数ペア:

[(1, 168883988), (2, 84441994), (4, 42220997), (7, 24126284), (13, 12991076), (14, 12063142), (26, 6495538), (28, 6031571), (49, 3446612), (52, 3247769), (79, 2137772), (91, 1855868), (98, 1723306), (158, 1068886), (182, 927934), (196, 861653), (316, 534443), (364, 463967), (553, 305396), (637, 265124), (839, 201292), (1027, 164444), (1106, 152698), (1274, 132562), (1678, 100646), (2054, 82222), (2212, 76349), (2548, 66281), (3356, 50323), (3871, 43628), (4108, 41111), (5873, 28756), (7189, 23492), (7742, 21814), (10907, 15484), (11746, 14378)]