2565475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 3660480

約数和(自身を除く): 1095005

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 491, 1045, 2455, 5225, 5401, 9329, 12275, 27005, 46645, 102619, 135025, 233225, 513095, 2565475]

約数ペア:

[(1, 2565475), (5, 513095), (11, 233225), (19, 135025), (25, 102619), (55, 46645), (95, 27005), (209, 12275), (275, 9329), (475, 5401), (491, 5225), (1045, 2455)]