28982828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 61582080

約数和(自身を除く): 32599252

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 347, 532, 628, 694, 1099, 1388, 2198, 2429, 2983, 4396, 4858, 5966, 6593, 9716, 11932, 13186, 20881, 26372, 41762, 46151, 54479, 83524, 92302, 108958, 184604, 217916, 381353, 762706, 1035101, 1525412, 2070202, 4140404, 7245707, 14491414, 28982828]

約数ペア:

[(1, 28982828), (2, 14491414), (4, 7245707), (7, 4140404), (14, 2070202), (19, 1525412), (28, 1035101), (38, 762706), (76, 381353), (133, 217916), (157, 184604), (266, 108958), (314, 92302), (347, 83524), (532, 54479), (628, 46151), (694, 41762), (1099, 26372), (1388, 20881), (2198, 13186), (2429, 11932), (2983, 9716), (4396, 6593), (4858, 5966)]