81313648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 60

約数和(自身を含む): 177601480

約数和(自身を除く): 96287832

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 529, 598, 739, 1058, 1196, 1478, 2116, 2392, 2956, 4232, 4784, 5912, 6877, 8464, 9607, 11824, 13754, 16997, 19214, 27508, 33994, 38428, 55016, 67988, 76856, 110032, 135976, 153712, 220961, 271952, 390931, 441922, 781862, 883844, 1563724, 1767688, 3127448, 3535376, 5082103, 6254896, 10164206, 20328412, 40656824, 81313648]

約数ペア:

[(1, 81313648), (2, 40656824), (4, 20328412), (8, 10164206), (13, 6254896), (16, 5082103), (23, 3535376), (26, 3127448), (46, 1767688), (52, 1563724), (92, 883844), (104, 781862), (184, 441922), (208, 390931), (299, 271952), (368, 220961), (529, 153712), (598, 135976), (739, 110032), (1058, 76856), (1196, 67988), (1478, 55016), (2116, 38428), (2392, 33994), (2956, 27508), (4232, 19214), (4784, 16997), (5912, 13754), (6877, 11824), (8464, 9607)]