31899426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 69867936

約数和(自身を除く): 37968510

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 169, 193, 326, 338, 386, 489, 507, 579, 978, 1014, 1158, 2119, 2509, 4238, 5018, 6357, 7527, 12714, 15054, 27547, 31459, 32617, 55094, 62918, 65234, 82641, 94377, 97851, 165282, 188754, 195702, 408967, 817934, 1226901, 2453802, 5316571, 10633142, 15949713, 31899426]

約数ペア:

[(1, 31899426), (2, 15949713), (3, 10633142), (6, 5316571), (13, 2453802), (26, 1226901), (39, 817934), (78, 408967), (163, 195702), (169, 188754), (193, 165282), (326, 97851), (338, 94377), (386, 82641), (489, 65234), (507, 62918), (579, 55094), (978, 32617), (1014, 31459), (1158, 27547), (2119, 15054), (2509, 12714), (4238, 7527), (5018, 6357)]