68739790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3821}}^1$

素因数の和:4092

約数の個数: 32

約数和(自身を含む): 141994944

約数和(自身を除く): 73255154

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 3821, 7642, 8995, 17990, 19105, 26747, 38210, 53494, 133735, 267470, 981997, 1963994, 4909985, 6873979, 9819970, 13747958, 34369895, 68739790]

約数ペア:

[(1, 68739790), (2, 34369895), (5, 13747958), (7, 9819970), (10, 6873979), (14, 4909985), (35, 1963994), (70, 981997), (257, 267470), (514, 133735), (1285, 53494), (1799, 38210), (2570, 26747), (3598, 19105), (3821, 17990), (7642, 8995)]