212815428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 623589120

約数和(自身を除く): 410773692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 43, 49, 57, 76, 84, 86, 98, 114, 129, 133, 147, 172, 196, 228, 258, 266, 294, 301, 399, 443, 516, 532, 588, 602, 798, 817, 886, 903, 931, 1204, 1329, 1596, 1634, 1772, 1806, 1862, 2107, 2451, 2658, 2793, 3101, 3268, 3612, 3724, 4214, 4902, 5316, 5586, 5719, 6202, 6321, 8417, 8428, 9303, 9804, 11172, 11438, 12404, 12642, 16834, 17157, 18606, 19049, 21707, 22876, 25251, 25284, 33668, 34314, 37212, 38098, 40033, 43414, 50502, 57147, 58919, 65121, 68628, 76196, 80066, 86828, 101004, 114294, 117838, 120099, 130242, 133343, 160132, 176757, 228588, 235676, 240198, 260484, 266686, 353514, 361931, 400029, 412433, 480396, 533372, 707028, 723862, 800058, 824866, 933401, 1085793, 1237299, 1447724, 1600116, 1649732, 1866802, 2171586, 2474598, 2533517, 2800203, 3733604, 4343172, 4949196, 5067034, 5600406, 7600551, 10134068, 11200812, 15201102, 17734619, 30402204, 35469238, 53203857, 70938476, 106407714, 212815428]

約数ペア:

[(1, 212815428), (2, 106407714), (3, 70938476), (4, 53203857), (6, 35469238), (7, 30402204), (12, 17734619), (14, 15201102), (19, 11200812), (21, 10134068), (28, 7600551), (38, 5600406), (42, 5067034), (43, 4949196), (49, 4343172), (57, 3733604), (76, 2800203), (84, 2533517), (86, 2474598), (98, 2171586), (114, 1866802), (129, 1649732), (133, 1600116), (147, 1447724), (172, 1237299), (196, 1085793), (228, 933401), (258, 824866), (266, 800058), (294, 723862), (301, 707028), (399, 533372), (443, 480396), (516, 412433), (532, 400029), (588, 361931), (602, 353514), (798, 266686), (817, 260484), (886, 240198), (903, 235676), (931, 228588), (1204, 176757), (1329, 160132), (1596, 133343), (1634, 130242), (1772, 120099), (1806, 117838), (1862, 114294), (2107, 101004), (2451, 86828), (2658, 80066), (2793, 76196), (3101, 68628), (3268, 65121), (3612, 58919), (3724, 57147), (4214, 50502), (4902, 43414), (5316, 40033), (5586, 38098), (5719, 37212), (6202, 34314), (6321, 33668), (8417, 25284), (8428, 25251), (9303, 22876), (9804, 21707), (11172, 19049), (11438, 18606), (12404, 17157), (12642, 16834)]