381131410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{16421}}^1$

素因数の和:16650

約数の個数: 32

約数和(自身を含む): 751996224

約数和(自身を除く): 370864814

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 1055, 2110, 2321, 4642, 11605, 16421, 23210, 32842, 82105, 164210, 180631, 361262, 903155, 1806310, 3464831, 6929662, 17324155, 34648310, 38113141, 76226282, 190565705, 381131410]

約数ペア:

[(1, 381131410), (2, 190565705), (5, 76226282), (10, 38113141), (11, 34648310), (22, 17324155), (55, 6929662), (110, 3464831), (211, 1806310), (422, 903155), (1055, 361262), (2110, 180631), (2321, 164210), (4642, 82105), (11605, 32842), (16421, 23210)]