81178866

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 179150400

約数和(自身を除く): 97971534

約数列:

[1, 2, 3, 6, 9, 18, 131, 173, 199, 262, 346, 393, 398, 519, 597, 786, 1038, 1179, 1194, 1557, 1791, 2358, 3114, 3582, 22663, 26069, 34427, 45326, 52138, 67989, 68854, 78207, 103281, 135978, 156414, 203967, 206562, 234621, 309843, 407934, 469242, 619686, 4509937, 9019874, 13529811, 27059622, 40589433, 81178866]

約数ペア:

[(1, 81178866), (2, 40589433), (3, 27059622), (6, 13529811), (9, 9019874), (18, 4509937), (131, 619686), (173, 469242), (199, 407934), (262, 309843), (346, 234621), (393, 206562), (398, 203967), (519, 156414), (597, 135978), (786, 103281), (1038, 78207), (1179, 68854), (1194, 67989), (1557, 52138), (1791, 45326), (2358, 34427), (3114, 26069), (3582, 22663)]