61771375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 83865600

約数和(自身を除く): 22094225

約数列:

[1, 5, 19, 25, 31, 95, 125, 155, 475, 589, 775, 839, 2375, 2945, 3875, 4195, 14725, 15941, 20975, 26009, 73625, 79705, 104875, 130045, 398525, 494171, 650225, 1992625, 2470855, 3251125, 12354275, 61771375]

約数ペア:

[(1, 61771375), (5, 12354275), (19, 3251125), (25, 2470855), (31, 1992625), (95, 650225), (125, 494171), (155, 398525), (475, 130045), (589, 104875), (775, 79705), (839, 73625), (2375, 26009), (2945, 20975), (3875, 15941), (4195, 14725)]