131916125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 180880128

約数和(自身を除く): 48964003

約数列:

[1, 5, 11, 25, 55, 125, 197, 275, 487, 985, 1375, 2167, 2435, 4925, 5357, 10835, 12175, 24625, 26785, 54175, 60875, 95939, 133925, 270875, 479695, 669625, 1055329, 2398475, 5276645, 11992375, 26383225, 131916125]

約数ペア:

[(1, 131916125), (5, 26383225), (11, 11992375), (25, 5276645), (55, 2398475), (125, 1055329), (197, 669625), (275, 479695), (487, 270875), (985, 133925), (1375, 95939), (2167, 60875), (2435, 54175), (4925, 26785), (5357, 24625), (10835, 12175)]