81221968

素因数分解:

$2^4\times {\mathrm{1867}}^1\times {\mathrm{2719}}^1$

素因数の和:4594

約数の個数: 20

約数和(自身を含む): 157509760

約数和(自身を除く): 76287792

約数列:

[1, 2, 4, 8, 16, 1867, 2719, 3734, 5438, 7468, 10876, 14936, 21752, 29872, 43504, 5076373, 10152746, 20305492, 40610984, 81221968]

約数ペア:

[(1, 81221968), (2, 40610984), (4, 20305492), (8, 10152746), (16, 5076373), (1867, 43504), (2719, 29872), (3734, 21752), (5438, 14936), (7468, 10876)]