25151581

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 7846307

約数列:

[1, 7, 13, 23, 61, 91, 161, 197, 299, 427, 793, 1379, 1403, 2093, 2561, 4531, 5551, 9821, 12017, 17927, 18239, 31717, 58903, 84119, 127673, 156221, 276391, 412321, 1093547, 1934737, 3593083, 25151581]

約数ペア:

[(1, 25151581), (7, 3593083), (13, 1934737), (23, 1093547), (61, 412321), (91, 276391), (161, 156221), (197, 127673), (299, 84119), (427, 58903), (793, 31717), (1379, 18239), (1403, 17927), (2093, 12017), (2561, 9821), (4531, 5551)]