81194464

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2749}}^1$

素因数の和:2843

約数の個数: 48

約数和(自身を含む): 174636000

約数和(自身を除く): 93441536

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 923, 1136, 1846, 2272, 2749, 3692, 5498, 7384, 10996, 14768, 21992, 29536, 35737, 43984, 71474, 87968, 142948, 195179, 285896, 390358, 571792, 780716, 1143584, 1561432, 2537327, 3122864, 5074654, 6245728, 10149308, 20298616, 40597232, 81194464]

約数ペア:

[(1, 81194464), (2, 40597232), (4, 20298616), (8, 10149308), (13, 6245728), (16, 5074654), (26, 3122864), (32, 2537327), (52, 1561432), (71, 1143584), (104, 780716), (142, 571792), (208, 390358), (284, 285896), (416, 195179), (568, 142948), (923, 87968), (1136, 71474), (1846, 43984), (2272, 35737), (2749, 29536), (3692, 21992), (5498, 14768), (7384, 10996)]