71804144

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{21269}}^1$

素因数の和:21488

約数の個数: 20

約数和(自身を含む): 139786440

約数和(自身を除く): 67982296

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 21269, 42538, 85076, 170152, 340304, 4487759, 8975518, 17951036, 35902072, 71804144]

約数ペア:

[(1, 71804144), (2, 35902072), (4, 17951036), (8, 8975518), (16, 4487759), (211, 340304), (422, 170152), (844, 85076), (1688, 42538), (3376, 21269)]