128974945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 179988480

約数和(自身を除く): 51013535

約数列:

[1, 5, 11, 19, 55, 83, 95, 209, 415, 913, 1045, 1487, 1577, 4565, 7435, 7885, 16357, 17347, 28253, 81785, 86735, 123421, 141265, 310783, 617105, 1357631, 1553915, 2344999, 6788155, 11724995, 25794989, 128974945]

約数ペア:

[(1, 128974945), (5, 25794989), (11, 11724995), (19, 6788155), (55, 2344999), (83, 1553915), (95, 1357631), (209, 617105), (415, 310783), (913, 141265), (1045, 123421), (1487, 86735), (1577, 81785), (4565, 28253), (7435, 17347), (7885, 16357)]