28654808

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5623}}^1$

素因数の和:5656

約数の個数: 48

約数和(自身を含む): 67319280

約数和(自身を除く): 38664472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 5623, 11246, 22492, 39361, 44984, 73099, 78722, 146198, 157444, 275527, 292396, 314888, 511693, 551054, 584792, 1023386, 1102108, 2046772, 2204216, 3581851, 4093544, 7163702, 14327404, 28654808]

約数ペア:

[(1, 28654808), (2, 14327404), (4, 7163702), (7, 4093544), (8, 3581851), (13, 2204216), (14, 2046772), (26, 1102108), (28, 1023386), (49, 584792), (52, 551054), (56, 511693), (91, 314888), (98, 292396), (104, 275527), (182, 157444), (196, 146198), (364, 78722), (392, 73099), (637, 44984), (728, 39361), (1274, 22492), (2548, 11246), (5096, 5623)]