720304871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 910725120

約数和(自身を除く): 190420249

約数列:

[1, 11, 13, 29, 31, 143, 169, 319, 341, 377, 403, 431, 899, 1859, 4147, 4433, 4741, 4901, 5239, 5603, 9889, 11687, 12499, 13361, 53911, 57629, 61633, 72839, 128557, 137489, 146971, 151931, 162487, 173693, 387469, 801229, 1671241, 1787357, 1910623, 2112331, 2258009, 4262159, 5037097, 23235641, 24838099, 55408067, 65482261, 720304871]

約数ペア:

[(1, 720304871), (11, 65482261), (13, 55408067), (29, 24838099), (31, 23235641), (143, 5037097), (169, 4262159), (319, 2258009), (341, 2112331), (377, 1910623), (403, 1787357), (431, 1671241), (899, 801229), (1859, 387469), (4147, 173693), (4433, 162487), (4741, 151931), (4901, 146971), (5239, 137489), (5603, 128557), (9889, 72839), (11687, 61633), (12499, 57629), (13361, 53911)]