1991238088

素因数分解:

$2^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{44953}}^1$

素因数の和:45086

約数の個数: 48

約数和(自身を含む): 4381666380

約数和(自身を除く): 2390428292

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 392, 452, 791, 904, 1582, 3164, 5537, 6328, 11074, 22148, 44296, 44953, 89906, 179812, 314671, 359624, 629342, 1258684, 2202697, 2517368, 4405394, 5079689, 8810788, 10159378, 17621576, 20318756, 35557823, 40637512, 71115646, 142231292, 248904761, 284462584, 497809522, 995619044, 1991238088]

約数ペア:

[(1, 1991238088), (2, 995619044), (4, 497809522), (7, 284462584), (8, 248904761), (14, 142231292), (28, 71115646), (49, 40637512), (56, 35557823), (98, 20318756), (113, 17621576), (196, 10159378), (226, 8810788), (392, 5079689), (452, 4405394), (791, 2517368), (904, 2202697), (1582, 1258684), (3164, 629342), (5537, 359624), (6328, 314671), (11074, 179812), (22148, 89906), (44296, 44953)]