1640390948

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{115099}}^1$

素因数の和:115619

約数の個数: 24

約数和(自身を含む): 3287256000

約数和(自身を除く): 1646865052

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 7126, 14252, 115099, 230198, 460396, 805693, 1611386, 3222772, 58585391, 117170782, 234341564, 410097737, 820195474, 1640390948]

約数ペア:

[(1, 1640390948), (2, 820195474), (4, 410097737), (7, 234341564), (14, 117170782), (28, 58585391), (509, 3222772), (1018, 1611386), (2036, 805693), (3563, 460396), (7126, 230198), (14252, 115099)]