686504

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 1693440

約数和(自身を除く): 1006936

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 41, 46, 52, 56, 82, 91, 92, 104, 161, 164, 182, 184, 287, 299, 322, 328, 364, 533, 574, 598, 644, 728, 943, 1066, 1148, 1196, 1288, 1886, 2093, 2132, 2296, 2392, 3731, 3772, 4186, 4264, 6601, 7462, 7544, 8372, 12259, 13202, 14924, 16744, 24518, 26404, 29848, 49036, 52808, 85813, 98072, 171626, 343252, 686504]

約数ペア:

[(1, 686504), (2, 343252), (4, 171626), (7, 98072), (8, 85813), (13, 52808), (14, 49036), (23, 29848), (26, 26404), (28, 24518), (41, 16744), (46, 14924), (52, 13202), (56, 12259), (82, 8372), (91, 7544), (92, 7462), (104, 6601), (161, 4264), (164, 4186), (182, 3772), (184, 3731), (287, 2392), (299, 2296), (322, 2132), (328, 2093), (364, 1886), (533, 1288), (574, 1196), (598, 1148), (644, 1066), (728, 943)]