78172403

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 84564000

約数和(自身を除く): 6391597

約数列:

[1, 19, 53, 149, 521, 1007, 2831, 7897, 9899, 27613, 77629, 150043, 524647, 1474951, 4114337, 78172403]

約数ペア:

[(1, 78172403), (19, 4114337), (53, 1474951), (149, 524647), (521, 150043), (1007, 77629), (2831, 27613), (7897, 9899)]