38178404

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 75261312

約数和(自身を除く): 37082908

約数列:

[1, 2, 4, 11, 22, 44, 71, 101, 121, 142, 202, 242, 284, 404, 484, 781, 1111, 1331, 1562, 2222, 2662, 3124, 4444, 5324, 7171, 8591, 12221, 14342, 17182, 24442, 28684, 34364, 48884, 78881, 94501, 134431, 157762, 189002, 268862, 315524, 378004, 537724, 867691, 1735382, 3470764, 9544601, 19089202, 38178404]

約数ペア:

[(1, 38178404), (2, 19089202), (4, 9544601), (11, 3470764), (22, 1735382), (44, 867691), (71, 537724), (101, 378004), (121, 315524), (142, 268862), (202, 189002), (242, 157762), (284, 134431), (404, 94501), (484, 78881), (781, 48884), (1111, 34364), (1331, 28684), (1562, 24442), (2222, 17182), (2662, 14342), (3124, 12221), (4444, 8591), (5324, 7171)]