1640984324

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{440651}}^1$

素因数の和:440688

約数の個数: 36

約数和(自身を含む): 3516402960

約数和(自身を除く): 1875418636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 440651, 881302, 1762604, 3084557, 6169114, 8372369, 12338228, 16744738, 21591899, 33489476, 43183798, 58606583, 86367596, 117213166, 234426332, 410246081, 820492162, 1640984324]

約数ペア:

[(1, 1640984324), (2, 820492162), (4, 410246081), (7, 234426332), (14, 117213166), (19, 86367596), (28, 58606583), (38, 43183798), (49, 33489476), (76, 21591899), (98, 16744738), (133, 12338228), (196, 8372369), (266, 6169114), (532, 3084557), (931, 1762604), (1862, 881302), (3724, 440651)]