28039914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1755

約数の個数: 48

約数和(自身を含む): 69975360

約数和(自身を除く): 41935446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1251, 1601, 1946, 2502, 2919, 3202, 4803, 5838, 8757, 9606, 11207, 14409, 17514, 22414, 28818, 33621, 67242, 100863, 201726, 222539, 445078, 667617, 1335234, 1557773, 2002851, 3115546, 4005702, 4673319, 9346638, 14019957, 28039914]

約数ペア:

[(1, 28039914), (2, 14019957), (3, 9346638), (6, 4673319), (7, 4005702), (9, 3115546), (14, 2002851), (18, 1557773), (21, 1335234), (42, 667617), (63, 445078), (126, 222539), (139, 201726), (278, 100863), (417, 67242), (834, 33621), (973, 28818), (1251, 22414), (1601, 17514), (1946, 14409), (2502, 11207), (2919, 9606), (3202, 8757), (4803, 5838)]