1645791376

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{2780053}}^1$

素因数の和:2780098

約数の個数: 20

約数和(自身を含む): 3274903612

約数和(自身を除く): 1629112236

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 2780053, 5560106, 11120212, 22240424, 44480848, 102861961, 205723922, 411447844, 822895688, 1645791376]

約数ペア:

[(1, 1645791376), (2, 822895688), (4, 411447844), (8, 205723922), (16, 102861961), (37, 44480848), (74, 22240424), (148, 11120212), (296, 5560106), (592, 2780053)]