71183984

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{5419}}^1$

素因数の和:6248

約数の個数: 20

約数和(自身を含む): 138112440

約数和(自身を除く): 66928456

約数列:

[1, 2, 4, 8, 16, 821, 1642, 3284, 5419, 6568, 10838, 13136, 21676, 43352, 86704, 4448999, 8897998, 17795996, 35591992, 71183984]

約数ペア:

[(1, 71183984), (2, 35591992), (4, 17795996), (8, 8897998), (16, 4448999), (821, 86704), (1642, 43352), (3284, 21676), (5419, 13136), (6568, 10838)]