664822064

素因数分解:

$2^4\times {\mathrm{1571}}^1\times {\mathrm{26449}}^1$

素因数の和:28028

約数の個数: 20

約数和(自身を含む): 1288961400

約数和(自身を除く): 624139336

約数列:

[1, 2, 4, 8, 16, 1571, 3142, 6284, 12568, 25136, 26449, 52898, 105796, 211592, 423184, 41551379, 83102758, 166205516, 332411032, 664822064]

約数ペア:

[(1, 664822064), (2, 332411032), (4, 166205516), (8, 83102758), (16, 41551379), (1571, 423184), (3142, 211592), (6284, 105796), (12568, 52898), (25136, 26449)]