82812890

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 151455744

約数和(自身を除く): 68642854

約数列:

[1, 2, 5, 10, 127, 197, 254, 331, 394, 635, 662, 985, 1270, 1655, 1970, 3310, 25019, 42037, 50038, 65207, 84074, 125095, 130414, 210185, 250190, 326035, 420370, 652070, 8281289, 16562578, 41406445, 82812890]

約数ペア:

[(1, 82812890), (2, 41406445), (5, 16562578), (10, 8281289), (127, 652070), (197, 420370), (254, 326035), (331, 250190), (394, 210185), (635, 130414), (662, 125095), (985, 84074), (1270, 65207), (1655, 50038), (1970, 42037), (3310, 25019)]