245097721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 294636496

約数和(自身を除く): 49538775

約数列:

[1, 11, 17, 43, 121, 163, 187, 289, 473, 731, 1793, 2057, 2771, 3179, 5203, 7009, 8041, 12427, 19723, 30481, 34969, 47107, 77099, 88451, 119153, 136697, 335291, 518177, 848089, 1310683, 1503667, 2025601, 5699947, 14417513, 22281611, 245097721]

約数ペア:

[(1, 245097721), (11, 22281611), (17, 14417513), (43, 5699947), (121, 2025601), (163, 1503667), (187, 1310683), (289, 848089), (473, 518177), (731, 335291), (1793, 136697), (2057, 119153), (2771, 88451), (3179, 77099), (5203, 47107), (7009, 34969), (8041, 30481), (12427, 19723)]