261795875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4051}}^1$

素因数の和:4124

約数の個数: 32

約数和(自身を含む): 364096512

約数和(自身を除く): 102300637

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 275, 517, 1175, 1375, 2585, 4051, 5875, 12925, 20255, 44561, 64625, 101275, 190397, 222805, 506375, 951985, 1114025, 2094367, 4759925, 5570125, 10471835, 23799625, 52359175, 261795875]

約数ペア:

[(1, 261795875), (5, 52359175), (11, 23799625), (25, 10471835), (47, 5570125), (55, 4759925), (125, 2094367), (235, 1114025), (275, 951985), (517, 506375), (1175, 222805), (1375, 190397), (2585, 101275), (4051, 64625), (5875, 44561), (12925, 20255)]