1285648375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55001}}^1$

素因数の和:55044

約数の個数: 32

約数和(自身を含む): 1853347392

約数和(自身を除く): 567699017

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 935, 1375, 2125, 4675, 23375, 55001, 275005, 605011, 935017, 1375025, 3025055, 4675085, 6875125, 10285187, 15125275, 23375425, 51425935, 75626375, 116877125, 257129675, 1285648375]

約数ペア:

[(1, 1285648375), (5, 257129675), (11, 116877125), (17, 75626375), (25, 51425935), (55, 23375425), (85, 15125275), (125, 10285187), (187, 6875125), (275, 4675085), (425, 3025055), (935, 1375025), (1375, 935017), (2125, 605011), (4675, 275005), (23375, 55001)]