209117692

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 444530688

約数和(自身を除く): 235412996

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 127, 196, 217, 254, 271, 434, 508, 542, 868, 889, 1084, 1519, 1778, 1897, 3038, 3556, 3794, 3937, 6076, 6223, 7588, 7874, 8401, 12446, 13279, 15748, 16802, 24892, 26558, 27559, 33604, 34417, 53116, 55118, 58807, 68834, 110236, 117614, 137668, 192913, 235228, 240919, 385826, 411649, 481838, 771652, 823298, 963676, 1066927, 1646596, 1686433, 2133854, 3372866, 4267708, 6745732, 7468489, 14936978, 29873956, 52279423, 104558846, 209117692]

約数ペア:

[(1, 209117692), (2, 104558846), (4, 52279423), (7, 29873956), (14, 14936978), (28, 7468489), (31, 6745732), (49, 4267708), (62, 3372866), (98, 2133854), (124, 1686433), (127, 1646596), (196, 1066927), (217, 963676), (254, 823298), (271, 771652), (434, 481838), (508, 411649), (542, 385826), (868, 240919), (889, 235228), (1084, 192913), (1519, 137668), (1778, 117614), (1897, 110236), (3038, 68834), (3556, 58807), (3794, 55118), (3937, 53116), (6076, 34417), (6223, 33604), (7588, 27559), (7874, 26558), (8401, 24892), (12446, 16802), (13279, 15748)]