87210578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 173311488

約数和(自身を除く): 86100910

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 71, 91, 119, 142, 182, 221, 238, 397, 442, 497, 794, 923, 994, 1207, 1547, 1846, 2414, 2779, 3094, 5161, 5558, 6461, 6749, 8449, 10322, 12922, 13498, 15691, 16898, 28187, 31382, 36127, 47243, 56374, 72254, 87737, 94486, 109837, 175474, 197309, 219674, 366431, 394618, 479179, 614159, 732862, 958358, 1228318, 2565017, 3354253, 5130034, 6229327, 6708506, 12458654, 43605289, 87210578]

約数ペア:

[(1, 87210578), (2, 43605289), (7, 12458654), (13, 6708506), (14, 6229327), (17, 5130034), (26, 3354253), (34, 2565017), (71, 1228318), (91, 958358), (119, 732862), (142, 614159), (182, 479179), (221, 394618), (238, 366431), (397, 219674), (442, 197309), (497, 175474), (794, 109837), (923, 94486), (994, 87737), (1207, 72254), (1547, 56374), (1846, 47243), (2414, 36127), (2779, 31382), (3094, 28187), (5161, 16898), (5558, 15691), (6461, 13498), (6749, 12922), (8449, 10322)]