56178395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 88252416

約数和(自身を除く): 32074021

約数列:

[1, 5, 7, 13, 35, 37, 47, 65, 71, 91, 185, 235, 259, 329, 355, 455, 481, 497, 611, 923, 1295, 1645, 1739, 2405, 2485, 2627, 3055, 3337, 3367, 4277, 4615, 6461, 8695, 12173, 13135, 16685, 16835, 18389, 21385, 22607, 23359, 32305, 34151, 43381, 60865, 91945, 113035, 116795, 123469, 158249, 170755, 216905, 239057, 303667, 617345, 791245, 864283, 1195285, 1518335, 1605097, 4321415, 8025485, 11235679, 56178395]

約数ペア:

[(1, 56178395), (5, 11235679), (7, 8025485), (13, 4321415), (35, 1605097), (37, 1518335), (47, 1195285), (65, 864283), (71, 791245), (91, 617345), (185, 303667), (235, 239057), (259, 216905), (329, 170755), (355, 158249), (455, 123469), (481, 116795), (497, 113035), (611, 91945), (923, 60865), (1295, 43381), (1645, 34151), (1739, 32305), (2405, 23359), (2485, 22607), (2627, 21385), (3055, 18389), (3337, 16835), (3367, 16685), (4277, 13135), (4615, 12173), (6461, 8695)]