68739970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{857}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 133621488

約数和(自身を除く): 64881518

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 617, 857, 1234, 1714, 3085, 4285, 6170, 8021, 8570, 11141, 16042, 22282, 40105, 55705, 80210, 111410, 528769, 1057538, 2643845, 5287690, 6873997, 13747994, 34369985, 68739970]

約数ペア:

[(1, 68739970), (2, 34369985), (5, 13747994), (10, 6873997), (13, 5287690), (26, 2643845), (65, 1057538), (130, 528769), (617, 111410), (857, 80210), (1234, 55705), (1714, 40105), (3085, 22282), (4285, 16042), (6170, 11141), (8021, 8570)]