78205721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4019}}^1$

素因数の和:4120

約数の個数: 16

約数和(自身を含む): 89726400

約数和(自身を除く): 11520679

約数列:

[1, 11, 29, 61, 319, 671, 1769, 4019, 19459, 44209, 116551, 245159, 1282061, 2696749, 7109611, 78205721]

約数ペア:

[(1, 78205721), (11, 7109611), (29, 2696749), (61, 1282061), (319, 245159), (671, 116551), (1769, 44209), (4019, 19459)]