253441786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{2417}}^1$

素因数の和:2578

約数の個数: 32

約数和(自身を含む): 424504080

約数和(自身を除く): 171062294

約数列:

[1, 2, 13, 26, 37, 74, 109, 218, 481, 962, 1417, 2417, 2834, 4033, 4834, 8066, 31421, 52429, 62842, 89429, 104858, 178858, 263453, 526906, 1162577, 2325154, 3424889, 6849778, 9747761, 19495522, 126720893, 253441786]

約数ペア:

[(1, 253441786), (2, 126720893), (13, 19495522), (26, 9747761), (37, 6849778), (74, 3424889), (109, 2325154), (218, 1162577), (481, 526906), (962, 263453), (1417, 178858), (2417, 104858), (2834, 89429), (4033, 62842), (4834, 52429), (8066, 31421)]