81563678

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{142097}}^1$

素因数の和:142147

約数の個数: 16

約数和(自身を含む): 143234784

約数和(自身を除く): 61671106

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 142097, 284194, 994679, 1989358, 5825977, 11651954, 40781839, 81563678]

約数ペア:

[(1, 81563678), (2, 40781839), (7, 11651954), (14, 5825977), (41, 1989358), (82, 994679), (287, 284194), (574, 142097)]