821567873915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{1811}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 1062958049280

約数和(自身を除く): 241390175365

約数列:

[1, 5, 17, 85, 137, 163, 239, 685, 815, 1195, 1811, 2329, 2771, 4063, 9055, 11645, 13855, 20315, 22331, 30787, 32743, 38957, 111655, 153935, 163715, 194785, 248107, 295193, 379627, 432829, 556631, 662269, 1240535, 1475965, 1898135, 2164145, 2783155, 3311345, 4217819, 5018281, 5337109, 7358093, 21089095, 25091405, 26685545, 36790465, 40441441, 59297573, 70551127, 90730853, 202207205, 296487865, 352755635, 453654265, 687504497, 1008058741, 1199369159, 3437522485, 5040293705, 5996845795, 9665504399, 48327521995, 164313574783, 821567873915]

約数ペア:

[(1, 821567873915), (5, 164313574783), (17, 48327521995), (85, 9665504399), (137, 5996845795), (163, 5040293705), (239, 3437522485), (685, 1199369159), (815, 1008058741), (1195, 687504497), (1811, 453654265), (2329, 352755635), (2771, 296487865), (4063, 202207205), (9055, 90730853), (11645, 70551127), (13855, 59297573), (20315, 40441441), (22331, 36790465), (30787, 26685545), (32743, 25091405), (38957, 21089095), (111655, 7358093), (153935, 5337109), (163715, 5018281), (194785, 4217819), (248107, 3311345), (295193, 2783155), (379627, 2164145), (432829, 1898135), (556631, 1475965), (662269, 1240535)]