77689904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{68389}}^1$

素因数の和:68468

約数の個数: 20

約数和(自身を含む): 152646480

約数和(自身を除く): 74956576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 68389, 136778, 273556, 547112, 1094224, 4855619, 9711238, 19422476, 38844952, 77689904]

約数ペア:

[(1, 77689904), (2, 38844952), (4, 19422476), (8, 9711238), (16, 4855619), (71, 1094224), (142, 547112), (284, 273556), (568, 136778), (1136, 68389)]