68781398

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 124597440

約数和(自身を除く): 55816042

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 109, 137, 218, 274, 329, 658, 763, 959, 1526, 1918, 2303, 4606, 5123, 5341, 6439, 6713, 10246, 10682, 12878, 13426, 14933, 29866, 35861, 45073, 71722, 90146, 104531, 209062, 251027, 315511, 502054, 631022, 701851, 731717, 1403702, 1463434, 4912957, 9825914, 34390699, 68781398]

約数ペア:

[(1, 68781398), (2, 34390699), (7, 9825914), (14, 4912957), (47, 1463434), (49, 1403702), (94, 731717), (98, 701851), (109, 631022), (137, 502054), (218, 315511), (274, 251027), (329, 209062), (658, 104531), (763, 90146), (959, 71722), (1526, 45073), (1918, 35861), (2303, 29866), (4606, 14933), (5123, 13426), (5341, 12878), (6439, 10682), (6713, 10246)]