31417181676

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{256903}}^1$

素因数の和:257035

約数の個数: 72

約数和(自身を含む): 82291489280

約数和(自身を除く): 50874307604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 79, 86, 129, 158, 172, 237, 258, 316, 387, 474, 516, 711, 774, 948, 1422, 1548, 2844, 3397, 6794, 10191, 13588, 20382, 30573, 40764, 61146, 122292, 256903, 513806, 770709, 1027612, 1541418, 2312127, 3082836, 4624254, 9248508, 11046829, 20295337, 22093658, 33140487, 40590674, 44187316, 60886011, 66280974, 81181348, 99421461, 121772022, 132561948, 182658033, 198842922, 243544044, 365316066, 397685844, 730632132, 872699491, 1745398982, 2618098473, 3490797964, 5236196946, 7854295419, 10472393892, 15708590838, 31417181676]

約数ペア:

[(1, 31417181676), (2, 15708590838), (3, 10472393892), (4, 7854295419), (6, 5236196946), (9, 3490797964), (12, 2618098473), (18, 1745398982), (36, 872699491), (43, 730632132), (79, 397685844), (86, 365316066), (129, 243544044), (158, 198842922), (172, 182658033), (237, 132561948), (258, 121772022), (316, 99421461), (387, 81181348), (474, 66280974), (516, 60886011), (711, 44187316), (774, 40590674), (948, 33140487), (1422, 22093658), (1548, 20295337), (2844, 11046829), (3397, 9248508), (6794, 4624254), (10191, 3082836), (13588, 2312127), (20382, 1541418), (30573, 1027612), (40764, 770709), (61146, 513806), (122292, 256903)]