161906486

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 301028400

約数和(自身を除く): 139121914

約数列:

[1, 2, 7, 14, 19, 38, 49, 89, 98, 133, 178, 266, 623, 931, 977, 1246, 1691, 1862, 1954, 3382, 4361, 6839, 8722, 11837, 13678, 18563, 23674, 37126, 47873, 82859, 86953, 95746, 129941, 165718, 173906, 259882, 608671, 909587, 1217342, 1652107, 1819174, 3304214, 4260697, 8521394, 11564749, 23129498, 80953243, 161906486]

約数ペア:

[(1, 161906486), (2, 80953243), (7, 23129498), (14, 11564749), (19, 8521394), (38, 4260697), (49, 3304214), (89, 1819174), (98, 1652107), (133, 1217342), (178, 909587), (266, 608671), (623, 259882), (931, 173906), (977, 165718), (1246, 129941), (1691, 95746), (1862, 86953), (1954, 82859), (3382, 47873), (4361, 37126), (6839, 23674), (8722, 18563), (11837, 13678)]