28560428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 56349216

約数和(自身を除く): 27788788

約数列:

[1, 2, 4, 13, 26, 43, 52, 53, 86, 106, 172, 212, 241, 482, 559, 689, 964, 1118, 1378, 2236, 2279, 2756, 3133, 4558, 6266, 9116, 10363, 12532, 12773, 20726, 25546, 29627, 41452, 51092, 59254, 118508, 134719, 166049, 269438, 332098, 538876, 549239, 664196, 1098478, 2196956, 7140107, 14280214, 28560428]

約数ペア:

[(1, 28560428), (2, 14280214), (4, 7140107), (13, 2196956), (26, 1098478), (43, 664196), (52, 549239), (53, 538876), (86, 332098), (106, 269438), (172, 166049), (212, 134719), (241, 118508), (482, 59254), (559, 51092), (689, 41452), (964, 29627), (1118, 25546), (1378, 20726), (2236, 12773), (2279, 12532), (2756, 10363), (3133, 9116), (4558, 6266)]