87884783

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 107864064

約数和(自身を除く): 19979281

約数列:

[1, 7, 31, 47, 49, 217, 329, 1231, 1457, 1519, 2303, 8617, 10199, 38161, 57857, 60319, 71393, 267127, 404999, 1793567, 1869889, 2834993, 12554969, 87884783]

約数ペア:

[(1, 87884783), (7, 12554969), (31, 2834993), (47, 1869889), (49, 1793567), (217, 404999), (329, 267127), (1231, 71393), (1457, 60319), (1519, 57857), (2303, 38161), (8617, 10199)]