278840394807

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4533769}}^1$

素因数の和:4533887

約数の個数: 32

約数和(自身を含む): 426537081600

約数和(自身を除く): 147696686793

約数列:

[1, 3, 13, 19, 39, 57, 83, 247, 249, 741, 1079, 1577, 3237, 4731, 20501, 61503, 4533769, 13601307, 58938997, 86141611, 176816991, 258424833, 376302827, 1119840943, 1128908481, 3359522829, 4891936751, 7149753713, 14675810253, 21449261139, 92946798269, 278840394807]

約数ペア:

[(1, 278840394807), (3, 92946798269), (13, 21449261139), (19, 14675810253), (39, 7149753713), (57, 4891936751), (83, 3359522829), (247, 1128908481), (249, 1119840943), (741, 376302827), (1079, 258424833), (1577, 176816991), (3237, 86141611), (4731, 58938997), (20501, 13601307), (61503, 4533769)]