7886971625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{29063}}^1$

素因数の和:29258

約数の個数: 32

約数和(自身を含む): 10663930368

約数和(自身を除く): 2776958743

約数列:

[1, 5, 13, 25, 65, 125, 167, 325, 835, 1625, 2171, 4175, 10855, 20875, 29063, 54275, 145315, 271375, 377819, 726575, 1889095, 3632875, 4853521, 9445475, 24267605, 47227375, 63095773, 121338025, 315478865, 606690125, 1577394325, 7886971625]

約数ペア:

[(1, 7886971625), (5, 1577394325), (13, 606690125), (25, 315478865), (65, 121338025), (125, 63095773), (167, 47227375), (325, 24267605), (835, 9445475), (1625, 4853521), (2171, 3632875), (4175, 1889095), (10855, 726575), (20875, 377819), (29063, 271375), (54275, 145315)]