287389212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 797795712

約数和(自身を除く): 510406500

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 37, 38, 44, 57, 66, 74, 76, 111, 114, 132, 148, 163, 209, 222, 228, 326, 361, 407, 418, 444, 489, 627, 652, 703, 722, 814, 836, 978, 1083, 1221, 1254, 1406, 1444, 1628, 1793, 1956, 2109, 2166, 2442, 2508, 2812, 3097, 3586, 3971, 4218, 4332, 4884, 5379, 6031, 6194, 7172, 7733, 7942, 8436, 9291, 10758, 11913, 12062, 12388, 13357, 15466, 15884, 18093, 18582, 21516, 23199, 23826, 24124, 26714, 30932, 34067, 36186, 37164, 40071, 46398, 47652, 53428, 58843, 66341, 68134, 72372, 80142, 92796, 102201, 114589, 117686, 132682, 136268, 146927, 160284, 176529, 199023, 204402, 229178, 235372, 265364, 293854, 343767, 353058, 398046, 408804, 440781, 458356, 587708, 647273, 687534, 706116, 796092, 881562, 1260479, 1294546, 1375068, 1763124, 1941819, 2177191, 2520958, 2589092, 3781437, 3883638, 4354382, 5041916, 6531573, 7562874, 7767276, 8708764, 13063146, 15125748, 23949101, 26126292, 47898202, 71847303, 95796404, 143694606, 287389212]

約数ペア:

[(1, 287389212), (2, 143694606), (3, 95796404), (4, 71847303), (6, 47898202), (11, 26126292), (12, 23949101), (19, 15125748), (22, 13063146), (33, 8708764), (37, 7767276), (38, 7562874), (44, 6531573), (57, 5041916), (66, 4354382), (74, 3883638), (76, 3781437), (111, 2589092), (114, 2520958), (132, 2177191), (148, 1941819), (163, 1763124), (209, 1375068), (222, 1294546), (228, 1260479), (326, 881562), (361, 796092), (407, 706116), (418, 687534), (444, 647273), (489, 587708), (627, 458356), (652, 440781), (703, 408804), (722, 398046), (814, 353058), (836, 343767), (978, 293854), (1083, 265364), (1221, 235372), (1254, 229178), (1406, 204402), (1444, 199023), (1628, 176529), (1793, 160284), (1956, 146927), (2109, 136268), (2166, 132682), (2442, 117686), (2508, 114589), (2812, 102201), (3097, 92796), (3586, 80142), (3971, 72372), (4218, 68134), (4332, 66341), (4884, 58843), (5379, 53428), (6031, 47652), (6194, 46398), (7172, 40071), (7733, 37164), (7942, 36186), (8436, 34067), (9291, 30932), (10758, 26714), (11913, 24124), (12062, 23826), (12388, 23199), (13357, 21516), (15466, 18582), (15884, 18093)]