81397064

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 185500800

約数和(自身を除く): 104103736

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 113, 133, 152, 226, 266, 452, 532, 677, 791, 904, 1064, 1354, 1582, 2147, 2708, 3164, 4294, 4739, 5416, 6328, 8588, 9478, 12863, 15029, 17176, 18956, 25726, 30058, 37912, 51452, 60116, 76501, 90041, 102904, 120232, 153002, 180082, 306004, 360164, 535507, 612008, 720328, 1071014, 1453519, 2142028, 2907038, 4284056, 5814076, 10174633, 11628152, 20349266, 40698532, 81397064]

約数ペア:

[(1, 81397064), (2, 40698532), (4, 20349266), (7, 11628152), (8, 10174633), (14, 5814076), (19, 4284056), (28, 2907038), (38, 2142028), (56, 1453519), (76, 1071014), (113, 720328), (133, 612008), (152, 535507), (226, 360164), (266, 306004), (452, 180082), (532, 153002), (677, 120232), (791, 102904), (904, 90041), (1064, 76501), (1354, 60116), (1582, 51452), (2147, 37912), (2708, 30058), (3164, 25726), (4294, 18956), (4739, 17176), (5416, 15029), (6328, 12863), (8588, 9478)]