201857864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 262628536

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 31, 34, 52, 58, 62, 68, 104, 116, 124, 127, 136, 221, 232, 248, 254, 377, 403, 442, 493, 508, 527, 754, 806, 884, 899, 986, 1016, 1054, 1508, 1612, 1651, 1768, 1798, 1972, 2108, 2159, 3016, 3224, 3302, 3596, 3683, 3937, 3944, 4216, 4318, 6409, 6604, 6851, 7192, 7366, 7874, 8636, 11687, 12818, 13208, 13702, 14732, 15283, 15748, 17272, 23374, 25636, 27404, 28067, 29464, 30566, 31496, 46748, 47879, 51181, 51272, 54808, 56134, 61132, 62611, 66929, 93496, 95758, 102362, 112268, 114173, 122264, 125222, 133858, 191516, 198679, 204724, 224536, 228346, 250444, 267716, 383032, 397358, 409448, 456692, 500888, 535432, 794716, 813943, 870077, 913384, 1484249, 1589432, 1627886, 1740154, 1940941, 2968498, 3255772, 3480308, 3881882, 5936996, 6511544, 6960616, 7763764, 11873992, 15527528, 25232233, 50464466, 100928932, 201857864]

約数ペア:

[(1, 201857864), (2, 100928932), (4, 50464466), (8, 25232233), (13, 15527528), (17, 11873992), (26, 7763764), (29, 6960616), (31, 6511544), (34, 5936996), (52, 3881882), (58, 3480308), (62, 3255772), (68, 2968498), (104, 1940941), (116, 1740154), (124, 1627886), (127, 1589432), (136, 1484249), (221, 913384), (232, 870077), (248, 813943), (254, 794716), (377, 535432), (403, 500888), (442, 456692), (493, 409448), (508, 397358), (527, 383032), (754, 267716), (806, 250444), (884, 228346), (899, 224536), (986, 204724), (1016, 198679), (1054, 191516), (1508, 133858), (1612, 125222), (1651, 122264), (1768, 114173), (1798, 112268), (1972, 102362), (2108, 95758), (2159, 93496), (3016, 66929), (3224, 62611), (3302, 61132), (3596, 56134), (3683, 54808), (3937, 51272), (3944, 51181), (4216, 47879), (4318, 46748), (6409, 31496), (6604, 30566), (6851, 29464), (7192, 28067), (7366, 27404), (7874, 25636), (8636, 23374), (11687, 17272), (12818, 15748), (13208, 15283), (13702, 14732)]