71227984

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{19963}}^1$

素因数の和:20194

約数の個数: 20

約数和(自身を含む): 138630016

約数和(自身を除く): 67402032

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 19963, 39926, 79852, 159704, 319408, 4451749, 8903498, 17806996, 35613992, 71227984]

約数ペア:

[(1, 71227984), (2, 35613992), (4, 17806996), (8, 8903498), (16, 4451749), (223, 319408), (446, 159704), (892, 79852), (1784, 39926), (3568, 19963)]