81311692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 186955776

約数和(自身を除く): 105644084

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 47, 77, 82, 94, 137, 154, 164, 188, 274, 287, 308, 329, 451, 517, 548, 574, 658, 902, 959, 1034, 1148, 1316, 1507, 1804, 1918, 1927, 2068, 3014, 3157, 3619, 3836, 3854, 5617, 6028, 6314, 6439, 7238, 7708, 10549, 11234, 12628, 12878, 13489, 14476, 21098, 21197, 22468, 25756, 26978, 39319, 42196, 42394, 45073, 53956, 61787, 70829, 78638, 84788, 90146, 123574, 141658, 148379, 157276, 180292, 247148, 263999, 283316, 296758, 432509, 495803, 527998, 593516, 865018, 991606, 1055996, 1730036, 1847993, 1983212, 2903989, 3695986, 5807978, 7391972, 11615956, 20327923, 40655846, 81311692]

約数ペア:

[(1, 81311692), (2, 40655846), (4, 20327923), (7, 11615956), (11, 7391972), (14, 5807978), (22, 3695986), (28, 2903989), (41, 1983212), (44, 1847993), (47, 1730036), (77, 1055996), (82, 991606), (94, 865018), (137, 593516), (154, 527998), (164, 495803), (188, 432509), (274, 296758), (287, 283316), (308, 263999), (329, 247148), (451, 180292), (517, 157276), (548, 148379), (574, 141658), (658, 123574), (902, 90146), (959, 84788), (1034, 78638), (1148, 70829), (1316, 61787), (1507, 53956), (1804, 45073), (1918, 42394), (1927, 42196), (2068, 39319), (3014, 26978), (3157, 25756), (3619, 22468), (3836, 21197), (3854, 21098), (5617, 14476), (6028, 13489), (6314, 12878), (6439, 12628), (7238, 11234), (7708, 10549)]