201991928368

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{865937}}^1$

素因数の和:866245

約数の個数: 40

約数和(自身を含む): 399439880640

約数和(自身を除く): 197447952272

約数列:

[1, 2, 4, 8, 16, 61, 122, 239, 244, 478, 488, 956, 976, 1912, 3824, 14579, 29158, 58316, 116632, 233264, 865937, 1731874, 3463748, 6927496, 13854992, 52822157, 105644314, 206958943, 211288628, 413917886, 422577256, 827835772, 845154512, 1655671544, 3311343088, 12624495523, 25248991046, 50497982092, 100995964184, 201991928368]

約数ペア:

[(1, 201991928368), (2, 100995964184), (4, 50497982092), (8, 25248991046), (16, 12624495523), (61, 3311343088), (122, 1655671544), (239, 845154512), (244, 827835772), (478, 422577256), (488, 413917886), (956, 211288628), (976, 206958943), (1912, 105644314), (3824, 52822157), (14579, 13854992), (29158, 6927496), (58316, 3463748), (116632, 1731874), (233264, 865937)]