12912984968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 27442800000

約数和(自身を除く): 14529815032

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 86, 104, 109, 118, 172, 218, 236, 344, 436, 449, 472, 559, 767, 872, 898, 1118, 1417, 1534, 1796, 2236, 2537, 2834, 3068, 3592, 4472, 4687, 5074, 5668, 5837, 6136, 6431, 9374, 10148, 11336, 11674, 12862, 18748, 19307, 20296, 23348, 25724, 26491, 32981, 37496, 38614, 46696, 48941, 51448, 52982, 60931, 65962, 77228, 83603, 97882, 105964, 121862, 131924, 154456, 167206, 195764, 211928, 243724, 250991, 263848, 276533, 334412, 344383, 391528, 487448, 501982, 553066, 636233, 668824, 688766, 1003964, 1106132, 1139113, 1272466, 1377532, 2007928, 2104463, 2212264, 2278226, 2544932, 2755064, 2887519, 3594929, 4208926, 4556452, 5089864, 5775038, 7189858, 8417852, 9112904, 11550076, 14379716, 14808469, 16835704, 23100152, 27358019, 28759432, 29616938, 37537747, 54716038, 59233876, 75075494, 109432076, 118467752, 124163317, 150150988, 218864152, 248326634, 300301976, 496653268, 993306536, 1614123121, 3228246242, 6456492484, 12912984968]

約数ペア:

[(1, 12912984968), (2, 6456492484), (4, 3228246242), (8, 1614123121), (13, 993306536), (26, 496653268), (43, 300301976), (52, 248326634), (59, 218864152), (86, 150150988), (104, 124163317), (109, 118467752), (118, 109432076), (172, 75075494), (218, 59233876), (236, 54716038), (344, 37537747), (436, 29616938), (449, 28759432), (472, 27358019), (559, 23100152), (767, 16835704), (872, 14808469), (898, 14379716), (1118, 11550076), (1417, 9112904), (1534, 8417852), (1796, 7189858), (2236, 5775038), (2537, 5089864), (2834, 4556452), (3068, 4208926), (3592, 3594929), (4472, 2887519), (4687, 2755064), (5074, 2544932), (5668, 2278226), (5837, 2212264), (6136, 2104463), (6431, 2007928), (9374, 1377532), (10148, 1272466), (11336, 1139113), (11674, 1106132), (12862, 1003964), (18748, 688766), (19307, 668824), (20296, 636233), (23348, 553066), (25724, 501982), (26491, 487448), (32981, 391528), (37496, 344383), (38614, 334412), (46696, 276533), (48941, 263848), (51448, 250991), (52982, 243724), (60931, 211928), (65962, 195764), (77228, 167206), (83603, 154456), (97882, 131924), (105964, 121862)]