256378668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{613}}^1$

素因数の和:1023

約数の個数: 96

約数和(自身を含む): 739393536

約数和(自身を除く): 483014868

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 383, 546, 613, 766, 1092, 1149, 1226, 1532, 1839, 2298, 2452, 2681, 3678, 4291, 4596, 4979, 5362, 7356, 7969, 8043, 8582, 9958, 10724, 12873, 14937, 15938, 16086, 17164, 19916, 23907, 25746, 29874, 31876, 32172, 34853, 47814, 51492, 55783, 59748, 69706, 95628, 104559, 111566, 139412, 167349, 209118, 223132, 234779, 334698, 418236, 469558, 669396, 704337, 939116, 1408674, 1643453, 2817348, 3052127, 3286906, 4930359, 6104254, 6573812, 9156381, 9860718, 12208508, 18312762, 19721436, 21364889, 36625524, 42729778, 64094667, 85459556, 128189334, 256378668]

約数ペア:

[(1, 256378668), (2, 128189334), (3, 85459556), (4, 64094667), (6, 42729778), (7, 36625524), (12, 21364889), (13, 19721436), (14, 18312762), (21, 12208508), (26, 9860718), (28, 9156381), (39, 6573812), (42, 6104254), (52, 4930359), (78, 3286906), (84, 3052127), (91, 2817348), (156, 1643453), (182, 1408674), (273, 939116), (364, 704337), (383, 669396), (546, 469558), (613, 418236), (766, 334698), (1092, 234779), (1149, 223132), (1226, 209118), (1532, 167349), (1839, 139412), (2298, 111566), (2452, 104559), (2681, 95628), (3678, 69706), (4291, 59748), (4596, 55783), (4979, 51492), (5362, 47814), (7356, 34853), (7969, 32172), (8043, 31876), (8582, 29874), (9958, 25746), (10724, 23907), (12873, 19916), (14937, 17164), (15938, 16086)]