77881078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 131760288

約数和(自身を除く): 53879210

約数列:

[1, 2, 11, 22, 37, 74, 241, 397, 407, 482, 794, 814, 2651, 4367, 5302, 8734, 8917, 14689, 17834, 29378, 95677, 98087, 161579, 191354, 196174, 323158, 1052447, 2104894, 3540049, 7080098, 38940539, 77881078]

約数ペア:

[(1, 77881078), (2, 38940539), (11, 7080098), (22, 3540049), (37, 2104894), (74, 1052447), (241, 323158), (397, 196174), (407, 191354), (482, 161579), (794, 98087), (814, 95677), (2651, 29378), (4367, 17834), (5302, 14689), (8734, 8917)]