920877568

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4463}}^1$

素因数の和:4525

約数の個数: 80

約数和(自身を含む): 2045869056

約数和(自身を除く): 1124991488

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 4463, 6448, 6656, 7936, 8926, 12896, 15872, 17852, 25792, 35704, 51584, 58019, 71408, 103168, 116038, 138353, 142816, 206336, 232076, 276706, 285632, 464152, 553412, 571264, 928304, 1106824, 1142528, 1798589, 1856608, 2213648, 2285056, 3597178, 3713216, 4427296, 7194356, 7426432, 8854592, 14388712, 14852864, 17709184, 28777424, 29705728, 35418368, 57554848, 70836736, 115109696, 230219392, 460438784, 920877568]

約数ペア:

[(1, 920877568), (2, 460438784), (4, 230219392), (8, 115109696), (13, 70836736), (16, 57554848), (26, 35418368), (31, 29705728), (32, 28777424), (52, 17709184), (62, 14852864), (64, 14388712), (104, 8854592), (124, 7426432), (128, 7194356), (208, 4427296), (248, 3713216), (256, 3597178), (403, 2285056), (416, 2213648), (496, 1856608), (512, 1798589), (806, 1142528), (832, 1106824), (992, 928304), (1612, 571264), (1664, 553412), (1984, 464152), (3224, 285632), (3328, 276706), (3968, 232076), (4463, 206336), (6448, 142816), (6656, 138353), (7936, 116038), (8926, 103168), (12896, 71408), (15872, 58019), (17852, 51584), (25792, 35704)]