291270728

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 639360000

約数和(自身を除く): 348089272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 199, 236, 398, 413, 443, 472, 796, 826, 886, 1393, 1592, 1652, 1772, 2786, 3101, 3304, 3544, 5572, 6202, 11144, 11741, 12404, 23482, 24808, 26137, 46964, 52274, 82187, 88157, 93928, 104548, 164374, 176314, 182959, 209096, 328748, 352628, 365918, 617099, 657496, 705256, 731836, 1234198, 1463672, 2468396, 4936792, 5201263, 10402526, 20805052, 36408841, 41610104, 72817682, 145635364, 291270728]

約数ペア:

[(1, 291270728), (2, 145635364), (4, 72817682), (7, 41610104), (8, 36408841), (14, 20805052), (28, 10402526), (56, 5201263), (59, 4936792), (118, 2468396), (199, 1463672), (236, 1234198), (398, 731836), (413, 705256), (443, 657496), (472, 617099), (796, 365918), (826, 352628), (886, 328748), (1393, 209096), (1592, 182959), (1652, 176314), (1772, 164374), (2786, 104548), (3101, 93928), (3304, 88157), (3544, 82187), (5572, 52274), (6202, 46964), (11144, 26137), (11741, 24808), (12404, 23482)]