81168824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 172942560

約数和(自身を除く): 91773736

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 97, 148, 194, 257, 296, 388, 407, 514, 776, 814, 1028, 1067, 1628, 2056, 2134, 2827, 3256, 3589, 4268, 5654, 7178, 8536, 9509, 11308, 14356, 19018, 22616, 24929, 28712, 38036, 39479, 49858, 76072, 78958, 99716, 104599, 157916, 199432, 209198, 274219, 315832, 418396, 548438, 836792, 922373, 1096876, 1844746, 2193752, 3689492, 7378984, 10146103, 20292206, 40584412, 81168824]

約数ペア:

[(1, 81168824), (2, 40584412), (4, 20292206), (8, 10146103), (11, 7378984), (22, 3689492), (37, 2193752), (44, 1844746), (74, 1096876), (88, 922373), (97, 836792), (148, 548438), (194, 418396), (257, 315832), (296, 274219), (388, 209198), (407, 199432), (514, 157916), (776, 104599), (814, 99716), (1028, 78958), (1067, 76072), (1628, 49858), (2056, 39479), (2134, 38036), (2827, 28712), (3256, 24929), (3589, 22616), (4268, 19018), (5654, 14356), (7178, 11308), (8536, 9509)]