1964220544

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:726

約数の個数: 128

約数和(自身を含む): 4626720000

約数和(自身を除く): 2662499456

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 239, 286, 352, 416, 449, 478, 572, 704, 832, 898, 956, 1144, 1408, 1664, 1796, 1912, 2288, 2629, 3107, 3592, 3824, 4576, 4939, 5258, 5837, 6214, 7184, 7648, 9152, 9878, 10516, 11674, 12428, 14368, 15296, 18304, 19756, 21032, 23348, 24856, 28736, 30592, 34177, 39512, 42064, 46696, 49712, 57472, 64207, 68354, 79024, 84128, 93392, 99424, 107311, 128414, 136708, 158048, 168256, 186784, 198848, 214622, 256828, 273416, 316096, 336512, 373568, 397696, 429244, 513656, 546832, 632192, 747136, 858488, 1027312, 1093664, 1180421, 1395043, 1716976, 2054624, 2187328, 2360842, 2790086, 3433952, 4109248, 4374656, 4721684, 5580172, 6867904, 8218496, 9443368, 11160344, 13735808, 15345473, 18886736, 22320688, 30690946, 37773472, 44641376, 61381892, 75546944, 89282752, 122763784, 151093888, 178565504, 245527568, 491055136, 982110272, 1964220544]

約数ペア:

[(1, 1964220544), (2, 982110272), (4, 491055136), (8, 245527568), (11, 178565504), (13, 151093888), (16, 122763784), (22, 89282752), (26, 75546944), (32, 61381892), (44, 44641376), (52, 37773472), (64, 30690946), (88, 22320688), (104, 18886736), (128, 15345473), (143, 13735808), (176, 11160344), (208, 9443368), (239, 8218496), (286, 6867904), (352, 5580172), (416, 4721684), (449, 4374656), (478, 4109248), (572, 3433952), (704, 2790086), (832, 2360842), (898, 2187328), (956, 2054624), (1144, 1716976), (1408, 1395043), (1664, 1180421), (1796, 1093664), (1912, 1027312), (2288, 858488), (2629, 747136), (3107, 632192), (3592, 546832), (3824, 513656), (4576, 429244), (4939, 397696), (5258, 373568), (5837, 336512), (6214, 316096), (7184, 273416), (7648, 256828), (9152, 214622), (9878, 198848), (10516, 186784), (11674, 168256), (12428, 158048), (14368, 136708), (15296, 128414), (18304, 107311), (19756, 99424), (21032, 93392), (23348, 84128), (24856, 79024), (28736, 68354), (30592, 64207), (34177, 57472), (39512, 49712), (42064, 46696)]