209102068

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 455985600

約数和(自身を除く): 246883532

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 409, 434, 532, 589, 818, 868, 961, 1178, 1636, 1922, 2356, 2863, 3844, 4123, 5726, 6727, 7771, 8246, 11452, 12679, 13454, 15542, 16492, 18259, 25358, 26908, 31084, 36518, 50716, 54397, 73036, 88753, 108794, 127813, 177506, 217588, 240901, 255626, 355012, 393049, 481802, 511252, 786098, 963604, 1572196, 1686307, 2751343, 3372614, 5502686, 6745228, 7467931, 11005372, 14935862, 29871724, 52275517, 104551034, 209102068]

約数ペア:

[(1, 209102068), (2, 104551034), (4, 52275517), (7, 29871724), (14, 14935862), (19, 11005372), (28, 7467931), (31, 6745228), (38, 5502686), (62, 3372614), (76, 2751343), (124, 1686307), (133, 1572196), (217, 963604), (266, 786098), (409, 511252), (434, 481802), (532, 393049), (589, 355012), (818, 255626), (868, 240901), (961, 217588), (1178, 177506), (1636, 127813), (1922, 108794), (2356, 88753), (2863, 73036), (3844, 54397), (4123, 50716), (5726, 36518), (6727, 31084), (7771, 26908), (8246, 25358), (11452, 18259), (12679, 16492), (13454, 15542)]