289771372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{18979}}^1$

素因数の和:19341

約数の個数: 24

約数和(自身を含む): 554823360

約数和(自身を除く): 265051988

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1388, 3817, 7634, 15268, 18979, 37958, 75916, 208769, 417538, 835076, 6585713, 13171426, 26342852, 72442843, 144885686, 289771372]

約数ペア:

[(1, 289771372), (2, 144885686), (4, 72442843), (11, 26342852), (22, 13171426), (44, 6585713), (347, 835076), (694, 417538), (1388, 208769), (3817, 75916), (7634, 37958), (15268, 18979)]