31438390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{76679}}^1$

素因数の和:76727

約数の個数: 16

約数和(自身を含む): 57970080

約数和(自身を除く): 26531690

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 76679, 153358, 383395, 766790, 3143839, 6287678, 15719195, 31438390]

約数ペア:

[(1, 31438390), (2, 15719195), (5, 6287678), (10, 3143839), (41, 766790), (82, 383395), (205, 153358), (410, 76679)]