71702884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 145152000

約数和(自身を除く): 73449116

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 199, 209, 398, 418, 431, 796, 836, 862, 1724, 2189, 3781, 4378, 4741, 7562, 8189, 8756, 9482, 15124, 16378, 18964, 32756, 41591, 83182, 85769, 90079, 166364, 171538, 180158, 343076, 360316, 943459, 1629611, 1886918, 3259222, 3773836, 6518444, 17925721, 35851442, 71702884]

約数ペア:

[(1, 71702884), (2, 35851442), (4, 17925721), (11, 6518444), (19, 3773836), (22, 3259222), (38, 1886918), (44, 1629611), (76, 943459), (199, 360316), (209, 343076), (398, 180158), (418, 171538), (431, 166364), (796, 90079), (836, 85769), (862, 83182), (1724, 41591), (2189, 32756), (3781, 18964), (4378, 16378), (4741, 15124), (7562, 9482), (8189, 8756)]