66298813

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:602

約数の個数: 20

約数和(自身を含む): 78954588

約数和(自身を除く): 12655775

約数列:

[1, 7, 49, 53, 343, 371, 521, 2401, 2597, 3647, 18179, 25529, 27613, 127253, 178703, 193291, 1250921, 1353037, 9471259, 66298813]

約数ペア:

[(1, 66298813), (7, 9471259), (49, 1353037), (53, 1250921), (343, 193291), (371, 178703), (521, 127253), (2401, 27613), (2597, 25529), (3647, 18179)]