81518024

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 181104000

約数和(自身を除く): 99585976

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 97, 172, 194, 301, 344, 349, 388, 602, 679, 698, 776, 1204, 1358, 1396, 2408, 2443, 2716, 2792, 4171, 4886, 5432, 8342, 9772, 15007, 16684, 19544, 29197, 30014, 33368, 33853, 58394, 60028, 67706, 105049, 116788, 120056, 135412, 210098, 233576, 236971, 270824, 420196, 473942, 840392, 947884, 1455679, 1895768, 2911358, 5822716, 10189753, 11645432, 20379506, 40759012, 81518024]

約数ペア:

[(1, 81518024), (2, 40759012), (4, 20379506), (7, 11645432), (8, 10189753), (14, 5822716), (28, 2911358), (43, 1895768), (56, 1455679), (86, 947884), (97, 840392), (172, 473942), (194, 420196), (301, 270824), (344, 236971), (349, 233576), (388, 210098), (602, 135412), (679, 120056), (698, 116788), (776, 105049), (1204, 67706), (1358, 60028), (1396, 58394), (2408, 33853), (2443, 33368), (2716, 30014), (2792, 29197), (4171, 19544), (4886, 16684), (5432, 15007), (8342, 9772)]