26786487

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 18718665

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 107, 131, 147, 273, 321, 393, 637, 749, 917, 1391, 1703, 1911, 2247, 2751, 4173, 5109, 5243, 6419, 9737, 11921, 14017, 15729, 19257, 29211, 35763, 42051, 68159, 83447, 98119, 182221, 204477, 250341, 294357, 546663, 686833, 1275547, 2060499, 3826641, 8928829, 26786487]

約数ペア:

[(1, 26786487), (3, 8928829), (7, 3826641), (13, 2060499), (21, 1275547), (39, 686833), (49, 546663), (91, 294357), (107, 250341), (131, 204477), (147, 182221), (273, 98119), (321, 83447), (393, 68159), (637, 42051), (749, 35763), (917, 29211), (1391, 19257), (1703, 15729), (1911, 14017), (2247, 11921), (2751, 9737), (4173, 6419), (5109, 5243)]