688770988

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{1381}}^1\times {\mathrm{1861}}^1$

素因数の和:3313

約数の個数: 24

約数和(自身を含む): 1224883184

約数和(自身を除く): 536112196

約数列:

[1, 2, 4, 67, 134, 268, 1381, 1861, 2762, 3722, 5524, 7444, 92527, 124687, 185054, 249374, 370108, 498748, 2570041, 5140082, 10280164, 172192747, 344385494, 688770988]

約数ペア:

[(1, 688770988), (2, 344385494), (4, 172192747), (67, 10280164), (134, 5140082), (268, 2570041), (1381, 498748), (1861, 370108), (2762, 249374), (3722, 185054), (5524, 124687), (7444, 92527)]