66711964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 135072000

約数和(自身を除く): 68360036

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 199, 209, 398, 401, 418, 796, 802, 836, 1604, 2189, 3781, 4378, 4411, 7562, 7619, 8756, 8822, 15124, 15238, 17644, 30476, 41591, 79799, 83182, 83809, 159598, 166364, 167618, 319196, 335236, 877789, 1516181, 1755578, 3032362, 3511156, 6064724, 16677991, 33355982, 66711964]

約数ペア:

[(1, 66711964), (2, 33355982), (4, 16677991), (11, 6064724), (19, 3511156), (22, 3032362), (38, 1755578), (44, 1516181), (76, 877789), (199, 335236), (209, 319196), (398, 167618), (401, 166364), (418, 159598), (796, 83809), (802, 83182), (836, 79799), (1604, 41591), (2189, 30476), (3781, 17644), (4378, 15238), (4411, 15124), (7562, 8822), (7619, 8756)]