31239816

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 81408000

約数和(自身を除く): 50168184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 199, 211, 248, 372, 398, 422, 597, 633, 744, 796, 844, 1194, 1266, 1592, 1688, 2388, 2532, 4776, 5064, 6169, 6541, 12338, 13082, 18507, 19623, 24676, 26164, 37014, 39246, 41989, 49352, 52328, 74028, 78492, 83978, 125967, 148056, 156984, 167956, 251934, 335912, 503868, 1007736, 1301659, 2603318, 3904977, 5206636, 7809954, 10413272, 15619908, 31239816]

約数ペア:

[(1, 31239816), (2, 15619908), (3, 10413272), (4, 7809954), (6, 5206636), (8, 3904977), (12, 2603318), (24, 1301659), (31, 1007736), (62, 503868), (93, 335912), (124, 251934), (186, 167956), (199, 156984), (211, 148056), (248, 125967), (372, 83978), (398, 78492), (422, 74028), (597, 52328), (633, 49352), (744, 41989), (796, 39246), (844, 37014), (1194, 26164), (1266, 24676), (1592, 19623), (1688, 18507), (2388, 13082), (2532, 12338), (4776, 6541), (5064, 6169)]