231931315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1237}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 347986944

約数和(自身を除く): 116055629

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 487, 1237, 2435, 3409, 5357, 6185, 8659, 13607, 17045, 26785, 37499, 43295, 68035, 95249, 187495, 476245, 602419, 3012095, 4216933, 6626609, 21084665, 33133045, 46386263, 231931315]

約数ペア:

[(1, 231931315), (5, 46386263), (7, 33133045), (11, 21084665), (35, 6626609), (55, 4216933), (77, 3012095), (385, 602419), (487, 476245), (1237, 187495), (2435, 95249), (3409, 68035), (5357, 43295), (6185, 37499), (8659, 26785), (13607, 17045)]