820247784

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{2657}}^1$

素因数の和:3362

約数の個数: 64

約数和(自身を含む): 2162548800

約数和(自身を除く): 1342301016

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 677, 1354, 2031, 2657, 2708, 4062, 5314, 5416, 7971, 8124, 10628, 12863, 15942, 16248, 21256, 25726, 31884, 38589, 50483, 51452, 63768, 77178, 100966, 102904, 151449, 154356, 201932, 302898, 308712, 403864, 605796, 1211592, 1798789, 3597578, 5396367, 7195156, 10792734, 14390312, 21585468, 34176991, 43170936, 68353982, 102530973, 136707964, 205061946, 273415928, 410123892, 820247784]

約数ペア:

[(1, 820247784), (2, 410123892), (3, 273415928), (4, 205061946), (6, 136707964), (8, 102530973), (12, 68353982), (19, 43170936), (24, 34176991), (38, 21585468), (57, 14390312), (76, 10792734), (114, 7195156), (152, 5396367), (228, 3597578), (456, 1798789), (677, 1211592), (1354, 605796), (2031, 403864), (2657, 308712), (2708, 302898), (4062, 201932), (5314, 154356), (5416, 151449), (7971, 102904), (8124, 100966), (10628, 77178), (12863, 63768), (15942, 51452), (16248, 50483), (21256, 38589), (25726, 31884)]