28513316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7723}}^1$

素因数の和:7811

約数の個数: 24

約数和(自身を含む): 54500544

約数和(自身を除く): 25987228

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 7723, 15446, 30892, 100399, 200798, 401596, 548333, 1096666, 2193332, 7128329, 14256658, 28513316]

約数ペア:

[(1, 28513316), (2, 14256658), (4, 7128329), (13, 2193332), (26, 1096666), (52, 548333), (71, 401596), (142, 200798), (284, 100399), (923, 30892), (1846, 15446), (3692, 7723)]