28213712

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19813}}^1$

素因数の和:19910

約数の個数: 20

約数和(自身を含む): 55281060

約数和(自身を除く): 27067348

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19813, 39626, 79252, 158504, 317008, 1763357, 3526714, 7053428, 14106856, 28213712]

約数ペア:

[(1, 28213712), (2, 14106856), (4, 7053428), (8, 3526714), (16, 1763357), (89, 317008), (178, 158504), (356, 79252), (712, 39626), (1424, 19813)]