278635266

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 144

約数和(自身を含む): 796723200

約数和(自身を除く): 518087934

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 49, 57, 63, 78, 91, 98, 114, 117, 126, 133, 147, 171, 182, 234, 247, 266, 273, 294, 342, 399, 441, 494, 546, 637, 741, 798, 819, 882, 931, 1197, 1274, 1279, 1482, 1638, 1729, 1862, 1911, 2223, 2394, 2558, 2793, 3458, 3822, 3837, 4446, 5187, 5586, 5733, 7674, 8379, 8953, 10374, 11466, 11511, 12103, 15561, 16627, 16758, 17906, 23022, 24206, 24301, 26859, 31122, 33254, 36309, 48602, 49881, 53718, 62671, 72618, 72903, 80577, 99762, 108927, 116389, 125342, 145806, 149643, 161154, 170107, 188013, 217854, 218709, 232778, 299286, 315913, 340214, 349167, 376026, 437418, 510321, 564039, 631826, 698334, 814723, 947739, 1020642, 1047501, 1128078, 1190749, 1530963, 1629446, 1895478, 2095002, 2211391, 2381498, 2444169, 2843217, 3061926, 3572247, 4422782, 4888338, 5686434, 6634173, 7144494, 7332507, 10716741, 13268346, 14665014, 15479737, 19902519, 21433482, 30959474, 39805038, 46439211, 92878422, 139317633, 278635266]

約数ペア:

[(1, 278635266), (2, 139317633), (3, 92878422), (6, 46439211), (7, 39805038), (9, 30959474), (13, 21433482), (14, 19902519), (18, 15479737), (19, 14665014), (21, 13268346), (26, 10716741), (38, 7332507), (39, 7144494), (42, 6634173), (49, 5686434), (57, 4888338), (63, 4422782), (78, 3572247), (91, 3061926), (98, 2843217), (114, 2444169), (117, 2381498), (126, 2211391), (133, 2095002), (147, 1895478), (171, 1629446), (182, 1530963), (234, 1190749), (247, 1128078), (266, 1047501), (273, 1020642), (294, 947739), (342, 814723), (399, 698334), (441, 631826), (494, 564039), (546, 510321), (637, 437418), (741, 376026), (798, 349167), (819, 340214), (882, 315913), (931, 299286), (1197, 232778), (1274, 218709), (1279, 217854), (1482, 188013), (1638, 170107), (1729, 161154), (1862, 149643), (1911, 145806), (2223, 125342), (2394, 116389), (2558, 108927), (2793, 99762), (3458, 80577), (3822, 72903), (3837, 72618), (4446, 62671), (5187, 53718), (5586, 49881), (5733, 48602), (7674, 36309), (8379, 33254), (8953, 31122), (10374, 26859), (11466, 24301), (11511, 24206), (12103, 23022), (15561, 17906), (16627, 16758)]