1628440025

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{13693}}^1$

素因数の和:13841

約数の個数: 24

約数和(自身を含む): 2078420544

約数和(自身を除く): 449980519

約数列:

[1, 5, 25, 67, 71, 335, 355, 1675, 1775, 4757, 13693, 23785, 68465, 118925, 342325, 917431, 972203, 4587155, 4861015, 22935775, 24305075, 65137601, 325688005, 1628440025]

約数ペア:

[(1, 1628440025), (5, 325688005), (25, 65137601), (67, 24305075), (71, 22935775), (335, 4861015), (355, 4587155), (1675, 972203), (1775, 917431), (4757, 342325), (13693, 118925), (23785, 68465)]