28705488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2364

約数の個数: 80

約数和(自身を含む): 87077760

約数和(自身を除く): 58372272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1776, 2072, 2309, 3108, 4144, 4618, 6216, 6927, 9236, 12432, 13854, 16163, 18472, 27708, 32326, 36944, 48489, 55416, 64652, 85433, 96978, 110832, 129304, 170866, 193956, 256299, 258608, 341732, 387912, 512598, 598031, 683464, 775824, 1025196, 1196062, 1366928, 1794093, 2050392, 2392124, 3588186, 4100784, 4784248, 7176372, 9568496, 14352744, 28705488]

約数ペア:

[(1, 28705488), (2, 14352744), (3, 9568496), (4, 7176372), (6, 4784248), (7, 4100784), (8, 3588186), (12, 2392124), (14, 2050392), (16, 1794093), (21, 1366928), (24, 1196062), (28, 1025196), (37, 775824), (42, 683464), (48, 598031), (56, 512598), (74, 387912), (84, 341732), (111, 258608), (112, 256299), (148, 193956), (168, 170866), (222, 129304), (259, 110832), (296, 96978), (336, 85433), (444, 64652), (518, 55416), (592, 48489), (777, 36944), (888, 32326), (1036, 27708), (1554, 18472), (1776, 16163), (2072, 13854), (2309, 12432), (3108, 9236), (4144, 6927), (4618, 6216)]