87864385

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1723}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 127107072

約数和(自身を除く): 39242687

約数列:

[1, 5, 7, 31, 35, 47, 155, 217, 235, 329, 1085, 1457, 1645, 1723, 7285, 8615, 10199, 12061, 50995, 53413, 60305, 80981, 267065, 373891, 404905, 566867, 1869455, 2510411, 2834335, 12552055, 17572877, 87864385]

約数ペア:

[(1, 87864385), (5, 17572877), (7, 12552055), (31, 2834335), (35, 2510411), (47, 1869455), (155, 566867), (217, 404905), (235, 373891), (329, 267065), (1085, 80981), (1457, 60305), (1645, 53413), (1723, 50995), (7285, 12061), (8615, 10199)]