263008278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2854

約数の個数: 72

約数和(自身を含む): 637191360

約数和(自身を除く): 374183082

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 169, 186, 234, 279, 338, 403, 507, 558, 806, 1014, 1209, 1521, 2418, 2789, 3042, 3627, 5239, 5578, 7254, 8367, 10478, 15717, 16734, 25101, 31434, 36257, 47151, 50202, 72514, 86459, 94302, 108771, 172918, 217542, 259377, 326313, 471341, 518754, 652626, 778131, 942682, 1123967, 1414023, 1556262, 2247934, 2828046, 3371901, 4242069, 6743802, 8484138, 10115703, 14611571, 20231406, 29223142, 43834713, 87669426, 131504139, 263008278]

約数ペア:

[(1, 263008278), (2, 131504139), (3, 87669426), (6, 43834713), (9, 29223142), (13, 20231406), (18, 14611571), (26, 10115703), (31, 8484138), (39, 6743802), (62, 4242069), (78, 3371901), (93, 2828046), (117, 2247934), (169, 1556262), (186, 1414023), (234, 1123967), (279, 942682), (338, 778131), (403, 652626), (507, 518754), (558, 471341), (806, 326313), (1014, 259377), (1209, 217542), (1521, 172918), (2418, 108771), (2789, 94302), (3042, 86459), (3627, 72514), (5239, 50202), (5578, 47151), (7254, 36257), (8367, 31434), (10478, 25101), (15717, 16734)]