777213648

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4137

約数の個数: 120

約数和(自身を含む): 2298067200

約数和(自身を除く): 1520853552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 43, 48, 62, 72, 86, 93, 124, 129, 144, 172, 186, 248, 258, 279, 344, 372, 387, 496, 516, 558, 688, 744, 774, 1032, 1116, 1333, 1488, 1548, 2064, 2232, 2666, 3096, 3999, 4049, 4464, 5332, 6192, 7998, 8098, 10664, 11997, 12147, 15996, 16196, 21328, 23994, 24294, 31992, 32392, 36441, 47988, 48588, 63984, 64784, 72882, 95976, 97176, 125519, 145764, 174107, 191952, 194352, 251038, 291528, 348214, 376557, 502076, 522321, 583056, 696428, 753114, 1004152, 1044642, 1129671, 1392856, 1506228, 1566963, 2008304, 2089284, 2259342, 2785712, 3012456, 3133926, 4178568, 4518684, 5397317, 6024912, 6267852, 8357136, 9037368, 10794634, 12535704, 16191951, 18074736, 21589268, 25071408, 32383902, 43178536, 48575853, 64767804, 86357072, 97151706, 129535608, 194303412, 259071216, 388606824, 777213648]

約数ペア:

[(1, 777213648), (2, 388606824), (3, 259071216), (4, 194303412), (6, 129535608), (8, 97151706), (9, 86357072), (12, 64767804), (16, 48575853), (18, 43178536), (24, 32383902), (31, 25071408), (36, 21589268), (43, 18074736), (48, 16191951), (62, 12535704), (72, 10794634), (86, 9037368), (93, 8357136), (124, 6267852), (129, 6024912), (144, 5397317), (172, 4518684), (186, 4178568), (248, 3133926), (258, 3012456), (279, 2785712), (344, 2259342), (372, 2089284), (387, 2008304), (496, 1566963), (516, 1506228), (558, 1392856), (688, 1129671), (744, 1044642), (774, 1004152), (1032, 753114), (1116, 696428), (1333, 583056), (1488, 522321), (1548, 502076), (2064, 376557), (2232, 348214), (2666, 291528), (3096, 251038), (3999, 194352), (4049, 191952), (4464, 174107), (5332, 145764), (6192, 125519), (7998, 97176), (8098, 95976), (10664, 72882), (11997, 64784), (12147, 63984), (15996, 48588), (16196, 47988), (21328, 36441), (23994, 32392), (24294, 31992)]