28390194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 70848960

約数和(自身を除く): 42458766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1251, 1621, 1946, 2502, 2919, 3242, 4863, 5838, 8757, 9726, 11347, 14589, 17514, 22694, 29178, 34041, 68082, 102123, 204246, 225319, 450638, 675957, 1351914, 1577233, 2027871, 3154466, 4055742, 4731699, 9463398, 14195097, 28390194]

約数ペア:

[(1, 28390194), (2, 14195097), (3, 9463398), (6, 4731699), (7, 4055742), (9, 3154466), (14, 2027871), (18, 1577233), (21, 1351914), (42, 675957), (63, 450638), (126, 225319), (139, 204246), (278, 102123), (417, 68082), (834, 34041), (973, 29178), (1251, 22694), (1621, 17514), (1946, 14589), (2502, 11347), (2919, 9726), (3242, 8757), (4863, 5838)]