638683812

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26759}}^1$

素因数の和:26802

約数の個数: 96

約数和(自身を含む): 1888185600

約数和(自身を除く): 1249501788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 102, 108, 117, 153, 156, 204, 221, 234, 306, 351, 442, 459, 468, 612, 663, 702, 884, 918, 1326, 1404, 1836, 1989, 2652, 3978, 5967, 7956, 11934, 23868, 26759, 53518, 80277, 107036, 160554, 240831, 321108, 347867, 454903, 481662, 695734, 722493, 909806, 963324, 1043601, 1364709, 1391468, 1444986, 1819612, 2087202, 2729418, 2889972, 3130803, 4094127, 4174404, 5458836, 5913739, 6261606, 8188254, 9392409, 11827478, 12282381, 12523212, 16376508, 17741217, 18784818, 23654956, 24564762, 35482434, 37569636, 49129524, 53223651, 70964868, 106447302, 159670953, 212894604, 319341906, 638683812]

約数ペア:

[(1, 638683812), (2, 319341906), (3, 212894604), (4, 159670953), (6, 106447302), (9, 70964868), (12, 53223651), (13, 49129524), (17, 37569636), (18, 35482434), (26, 24564762), (27, 23654956), (34, 18784818), (36, 17741217), (39, 16376508), (51, 12523212), (52, 12282381), (54, 11827478), (68, 9392409), (78, 8188254), (102, 6261606), (108, 5913739), (117, 5458836), (153, 4174404), (156, 4094127), (204, 3130803), (221, 2889972), (234, 2729418), (306, 2087202), (351, 1819612), (442, 1444986), (459, 1391468), (468, 1364709), (612, 1043601), (663, 963324), (702, 909806), (884, 722493), (918, 695734), (1326, 481662), (1404, 454903), (1836, 347867), (1989, 321108), (2652, 240831), (3978, 160554), (5967, 107036), (7956, 80277), (11934, 53518), (23868, 26759)]