25471355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 15896965

約数列:

[1, 5, 7, 13, 17, 35, 37, 65, 85, 89, 91, 119, 185, 221, 259, 445, 455, 481, 595, 623, 629, 1105, 1157, 1295, 1513, 1547, 2405, 3115, 3145, 3293, 3367, 4403, 5785, 7565, 7735, 8099, 8177, 10591, 16465, 16835, 19669, 22015, 23051, 40495, 40885, 42809, 52955, 55981, 57239, 98345, 115255, 137683, 214045, 279905, 286195, 299663, 391867, 688415, 727753, 1498315, 1959335, 3638765, 5094271, 25471355]

約数ペア:

[(1, 25471355), (5, 5094271), (7, 3638765), (13, 1959335), (17, 1498315), (35, 727753), (37, 688415), (65, 391867), (85, 299663), (89, 286195), (91, 279905), (119, 214045), (185, 137683), (221, 115255), (259, 98345), (445, 57239), (455, 55981), (481, 52955), (595, 42809), (623, 40885), (629, 40495), (1105, 23051), (1157, 22015), (1295, 19669), (1513, 16835), (1547, 16465), (2405, 10591), (3115, 8177), (3145, 8099), (3293, 7735), (3367, 7565), (4403, 5785)]