28052668

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 57867264

約数和(自身を除く): 29814596

約数列:

[1, 2, 4, 7, 14, 28, 71, 103, 137, 142, 206, 274, 284, 412, 497, 548, 721, 959, 994, 1442, 1918, 1988, 2884, 3836, 7313, 9727, 14111, 14626, 19454, 28222, 29252, 38908, 51191, 56444, 68089, 98777, 102382, 136178, 197554, 204764, 272356, 395108, 1001881, 2003762, 4007524, 7013167, 14026334, 28052668]

約数ペア:

[(1, 28052668), (2, 14026334), (4, 7013167), (7, 4007524), (14, 2003762), (28, 1001881), (71, 395108), (103, 272356), (137, 204764), (142, 197554), (206, 136178), (274, 102382), (284, 98777), (412, 68089), (497, 56444), (548, 51191), (721, 38908), (959, 29252), (994, 28222), (1442, 19454), (1918, 14626), (1988, 14111), (2884, 9727), (3836, 7313)]