145997558

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 271479600

約数和(自身を除く): 125482042

約数列:

[1, 2, 7, 14, 19, 38, 49, 89, 98, 133, 178, 266, 623, 881, 931, 1246, 1691, 1762, 1862, 3382, 4361, 6167, 8722, 11837, 12334, 16739, 23674, 33478, 43169, 78409, 82859, 86338, 117173, 156818, 165718, 234346, 548863, 820211, 1097726, 1489771, 1640422, 2979542, 3842041, 7684082, 10428397, 20856794, 72998779, 145997558]

約数ペア:

[(1, 145997558), (2, 72998779), (7, 20856794), (14, 10428397), (19, 7684082), (38, 3842041), (49, 2979542), (89, 1640422), (98, 1489771), (133, 1097726), (178, 820211), (266, 548863), (623, 234346), (881, 165718), (931, 156818), (1246, 117173), (1691, 86338), (1762, 82859), (1862, 78409), (3382, 43169), (4361, 33478), (6167, 23674), (8722, 16739), (11837, 12334)]