1278657828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:754

約数の個数: 144

約数和(自身を含む): 3778459776

約数和(自身を除く): 2499801948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 113, 126, 166, 226, 249, 252, 332, 339, 452, 498, 541, 581, 678, 747, 791, 996, 1017, 1082, 1162, 1356, 1494, 1582, 1623, 1743, 2034, 2164, 2324, 2373, 2988, 3164, 3246, 3486, 3787, 4068, 4746, 4869, 5229, 6492, 6972, 7119, 7574, 9379, 9492, 9738, 10458, 11361, 14238, 15148, 18758, 19476, 20916, 22722, 28137, 28476, 34083, 37516, 44903, 45444, 56274, 61133, 65653, 68166, 84411, 89806, 112548, 122266, 131306, 134709, 136332, 168822, 179612, 183399, 196959, 244532, 262612, 269418, 314321, 337644, 366798, 393918, 404127, 427931, 538836, 550197, 590877, 628642, 733596, 787836, 808254, 855862, 942963, 1100394, 1181754, 1257284, 1283793, 1616508, 1711724, 1885926, 2200788, 2363508, 2567586, 2828889, 3771852, 3851379, 5074039, 5135172, 5657778, 7702758, 10148078, 11315556, 15222117, 15405516, 20296156, 30444234, 35518273, 45666351, 60888468, 71036546, 91332702, 106554819, 142073092, 182665404, 213109638, 319664457, 426219276, 639328914, 1278657828]

約数ペア:

[(1, 1278657828), (2, 639328914), (3, 426219276), (4, 319664457), (6, 213109638), (7, 182665404), (9, 142073092), (12, 106554819), (14, 91332702), (18, 71036546), (21, 60888468), (28, 45666351), (36, 35518273), (42, 30444234), (63, 20296156), (83, 15405516), (84, 15222117), (113, 11315556), (126, 10148078), (166, 7702758), (226, 5657778), (249, 5135172), (252, 5074039), (332, 3851379), (339, 3771852), (452, 2828889), (498, 2567586), (541, 2363508), (581, 2200788), (678, 1885926), (747, 1711724), (791, 1616508), (996, 1283793), (1017, 1257284), (1082, 1181754), (1162, 1100394), (1356, 942963), (1494, 855862), (1582, 808254), (1623, 787836), (1743, 733596), (2034, 628642), (2164, 590877), (2324, 550197), (2373, 538836), (2988, 427931), (3164, 404127), (3246, 393918), (3486, 366798), (3787, 337644), (4068, 314321), (4746, 269418), (4869, 262612), (5229, 244532), (6492, 196959), (6972, 183399), (7119, 179612), (7574, 168822), (9379, 136332), (9492, 134709), (9738, 131306), (10458, 122266), (11361, 112548), (14238, 89806), (15148, 84411), (18758, 68166), (19476, 65653), (20916, 61133), (22722, 56274), (28137, 45444), (28476, 44903), (34083, 37516)]