68418724

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 134289792

約数和(自身を除く): 65871068

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 181, 242, 284, 362, 484, 724, 781, 1331, 1562, 1991, 2662, 3124, 3982, 5324, 7964, 8591, 12851, 17182, 21901, 25702, 34364, 43802, 51404, 87604, 94501, 141361, 189002, 240911, 282722, 378004, 481822, 565444, 963644, 1554971, 3109942, 6219884, 17104681, 34209362, 68418724]

約数ペア:

[(1, 68418724), (2, 34209362), (4, 17104681), (11, 6219884), (22, 3109942), (44, 1554971), (71, 963644), (121, 565444), (142, 481822), (181, 378004), (242, 282722), (284, 240911), (362, 189002), (484, 141361), (724, 94501), (781, 87604), (1331, 51404), (1562, 43802), (1991, 34364), (2662, 25702), (3124, 21901), (3982, 17182), (5324, 12851), (7964, 8591)]