248966904

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 704816640

約数和(自身を除く): 455849736

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 43, 46, 51, 68, 69, 86, 92, 102, 129, 136, 138, 172, 184, 204, 258, 276, 344, 391, 408, 516, 552, 617, 731, 782, 989, 1032, 1173, 1234, 1462, 1564, 1851, 1978, 2193, 2346, 2468, 2924, 2967, 3128, 3702, 3956, 4386, 4692, 4936, 5848, 5934, 7404, 7912, 8772, 9384, 10489, 11868, 14191, 14808, 16813, 17544, 20978, 23736, 26531, 28382, 31467, 33626, 41956, 42573, 50439, 53062, 56764, 62934, 67252, 79593, 83912, 85146, 100878, 106124, 113528, 125868, 134504, 159186, 170292, 201756, 212248, 241247, 251736, 318372, 340584, 403512, 451027, 482494, 610213, 636744, 723741, 902054, 964988, 1220426, 1353081, 1447482, 1804108, 1830639, 1929976, 2440852, 2706162, 2894964, 3608216, 3661278, 4881704, 5412324, 5789928, 7322556, 10373621, 10824648, 14645112, 20747242, 31120863, 41494484, 62241726, 82988968, 124483452, 248966904]

約数ペア:

[(1, 248966904), (2, 124483452), (3, 82988968), (4, 62241726), (6, 41494484), (8, 31120863), (12, 20747242), (17, 14645112), (23, 10824648), (24, 10373621), (34, 7322556), (43, 5789928), (46, 5412324), (51, 4881704), (68, 3661278), (69, 3608216), (86, 2894964), (92, 2706162), (102, 2440852), (129, 1929976), (136, 1830639), (138, 1804108), (172, 1447482), (184, 1353081), (204, 1220426), (258, 964988), (276, 902054), (344, 723741), (391, 636744), (408, 610213), (516, 482494), (552, 451027), (617, 403512), (731, 340584), (782, 318372), (989, 251736), (1032, 241247), (1173, 212248), (1234, 201756), (1462, 170292), (1564, 159186), (1851, 134504), (1978, 125868), (2193, 113528), (2346, 106124), (2468, 100878), (2924, 85146), (2967, 83912), (3128, 79593), (3702, 67252), (3956, 62934), (4386, 56764), (4692, 53062), (4936, 50439), (5848, 42573), (5934, 41956), (7404, 33626), (7912, 31467), (8772, 28382), (9384, 26531), (10489, 23736), (11868, 20978), (14191, 17544), (14808, 16813)]