28123212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4458

約数の個数: 48

約数和(自身を含む): 72408672

約数和(自身を除く): 44285460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 4397, 6396, 8794, 13191, 17588, 26382, 52764, 57161, 114322, 171483, 180277, 228644, 342966, 360554, 540831, 685932, 721108, 1081662, 2163324, 2343601, 4687202, 7030803, 9374404, 14061606, 28123212]

約数ペア:

[(1, 28123212), (2, 14061606), (3, 9374404), (4, 7030803), (6, 4687202), (12, 2343601), (13, 2163324), (26, 1081662), (39, 721108), (41, 685932), (52, 540831), (78, 360554), (82, 342966), (123, 228644), (156, 180277), (164, 171483), (246, 114322), (492, 57161), (533, 52764), (1066, 26382), (1599, 17588), (2132, 13191), (3198, 8794), (4397, 6396)]