321573956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{17957}}^1$

素因数の和:18020

約数の個数: 36

約数和(自身を含む): 635318124

約数和(自身を除く): 313744168

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 814, 1628, 4477, 8954, 17908, 17957, 35914, 71828, 197527, 395054, 664409, 790108, 1328818, 2172797, 2657636, 4345594, 7308499, 8691188, 14616998, 29233996, 80393489, 160786978, 321573956]

約数ペア:

[(1, 321573956), (2, 160786978), (4, 80393489), (11, 29233996), (22, 14616998), (37, 8691188), (44, 7308499), (74, 4345594), (121, 2657636), (148, 2172797), (242, 1328818), (407, 790108), (484, 664409), (814, 395054), (1628, 197527), (4477, 71828), (8954, 35914), (17908, 17957)]