64723256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 137380320

約数和(自身を除く): 72657064

約数列:

[1, 2, 4, 8, 13, 26, 41, 43, 52, 82, 86, 104, 164, 172, 328, 344, 353, 533, 559, 706, 1066, 1118, 1412, 1763, 2132, 2236, 2824, 3526, 4264, 4472, 4589, 7052, 9178, 14104, 14473, 15179, 18356, 22919, 28946, 30358, 36712, 45838, 57892, 60716, 91676, 115784, 121432, 183352, 188149, 197327, 376298, 394654, 622339, 752596, 789308, 1244678, 1505192, 1578616, 2489356, 4978712, 8090407, 16180814, 32361628, 64723256]

約数ペア:

[(1, 64723256), (2, 32361628), (4, 16180814), (8, 8090407), (13, 4978712), (26, 2489356), (41, 1578616), (43, 1505192), (52, 1244678), (82, 789308), (86, 752596), (104, 622339), (164, 394654), (172, 376298), (328, 197327), (344, 188149), (353, 183352), (533, 121432), (559, 115784), (706, 91676), (1066, 60716), (1118, 57892), (1412, 45838), (1763, 36712), (2132, 30358), (2236, 28946), (2824, 22919), (3526, 18356), (4264, 15179), (4472, 14473), (4589, 14104), (7052, 9178)]