28678745090

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{7487923}}^1$

素因数の和:7488313

約数の個数: 16

約数和(自身を含む): 51756530688

約数和(自身を除く): 23077785598

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 7487923, 14975846, 37439615, 74879230, 2867874509, 5735749018, 14339372545, 28678745090]

約数ペア:

[(1, 28678745090), (2, 14339372545), (5, 5735749018), (10, 2867874509), (383, 74879230), (766, 37439615), (1915, 14975846), (3830, 7487923)]