256471494

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 551577600

約数和(自身を除く): 295106106

約数列:

[1, 2, 3, 6, 31, 37, 62, 74, 83, 93, 111, 166, 186, 222, 249, 449, 498, 898, 1147, 1347, 2294, 2573, 2694, 3071, 3441, 5146, 6142, 6882, 7719, 9213, 13919, 15438, 16613, 18426, 27838, 33226, 37267, 41757, 49839, 74534, 83514, 95201, 99678, 111801, 190402, 223602, 285603, 515003, 571206, 1030006, 1155277, 1378879, 1545009, 2310554, 2757758, 3090018, 3465831, 4136637, 6931662, 8273274, 42745249, 85490498, 128235747, 256471494]

約数ペア:

[(1, 256471494), (2, 128235747), (3, 85490498), (6, 42745249), (31, 8273274), (37, 6931662), (62, 4136637), (74, 3465831), (83, 3090018), (93, 2757758), (111, 2310554), (166, 1545009), (186, 1378879), (222, 1155277), (249, 1030006), (449, 571206), (498, 515003), (898, 285603), (1147, 223602), (1347, 190402), (2294, 111801), (2573, 99678), (2694, 95201), (3071, 83514), (3441, 74534), (5146, 49839), (6142, 41757), (6882, 37267), (7719, 33226), (9213, 27838), (13919, 18426), (15438, 16613)]