71679580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511997}}^1$

素因数の和:512013

約数の個数: 24

約数和(自身を含む): 172031328

約数和(自身を除く): 100351748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511997, 1023994, 2047988, 2559985, 3583979, 5119970, 7167958, 10239940, 14335916, 17919895, 35839790, 71679580]

約数ペア:

[(1, 71679580), (2, 35839790), (4, 17919895), (5, 14335916), (7, 10239940), (10, 7167958), (14, 5119970), (20, 3583979), (28, 2559985), (35, 2047988), (70, 1023994), (140, 511997)]