78663221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 101326848

約数和(自身を除く): 22663627

約数列:

[1, 7, 13, 37, 61, 91, 259, 383, 427, 481, 793, 2257, 2681, 3367, 4979, 5551, 14171, 15799, 23363, 29341, 34853, 99197, 163541, 184223, 205387, 303719, 864431, 1289561, 2126033, 6051017, 11237603, 78663221]

約数ペア:

[(1, 78663221), (7, 11237603), (13, 6051017), (37, 2126033), (61, 1289561), (91, 864431), (259, 303719), (383, 205387), (427, 184223), (481, 163541), (793, 99197), (2257, 34853), (2681, 29341), (3367, 23363), (4979, 15799), (5551, 14171)]