661939488

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{328343}}^1$

素因数の和:328366

約数の個数: 72

約数和(自身を含む): 2151309888

約数和(自身を除く): 1489370400

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 328343, 656686, 985029, 1313372, 1970058, 2298401, 2626744, 2955087, 3940116, 4596802, 5253488, 5910174, 6895203, 7880232, 9193604, 10506976, 11820348, 13790406, 15760464, 18387208, 20685609, 23640696, 27580812, 31520928, 36774416, 41371218, 47281392, 55161624, 73548832, 82742436, 94562784, 110323248, 165484872, 220646496, 330969744, 661939488]

約数ペア:

[(1, 661939488), (2, 330969744), (3, 220646496), (4, 165484872), (6, 110323248), (7, 94562784), (8, 82742436), (9, 73548832), (12, 55161624), (14, 47281392), (16, 41371218), (18, 36774416), (21, 31520928), (24, 27580812), (28, 23640696), (32, 20685609), (36, 18387208), (42, 15760464), (48, 13790406), (56, 11820348), (63, 10506976), (72, 9193604), (84, 7880232), (96, 6895203), (112, 5910174), (126, 5253488), (144, 4596802), (168, 3940116), (224, 2955087), (252, 2626744), (288, 2298401), (336, 1970058), (504, 1313372), (672, 985029), (1008, 656686), (2016, 328343)]