78661544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2791}}^1$

素因数の和:3081

約数の個数: 32

約数和(自身を含む): 159479040

約数和(自身を除く): 80817496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 2168, 2791, 3523, 5582, 7046, 11164, 14092, 22328, 28184, 36283, 72566, 145132, 290264, 756361, 1512722, 3025444, 6050888, 9832693, 19665386, 39330772, 78661544]

約数ペア:

[(1, 78661544), (2, 39330772), (4, 19665386), (8, 9832693), (13, 6050888), (26, 3025444), (52, 1512722), (104, 756361), (271, 290264), (542, 145132), (1084, 72566), (2168, 36283), (2791, 28184), (3523, 22328), (5582, 14092), (7046, 11164)]