81480728

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12227}}^1$

素因数の和:12264

約数の個数: 48

約数和(自身を含む): 188188920

約数和(自身を除く): 106708192

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3332, 6664, 12227, 24454, 48908, 85589, 97816, 171178, 207859, 342356, 415718, 599123, 684712, 831436, 1198246, 1455013, 1662872, 2396492, 2910026, 4792984, 5820052, 10185091, 11640104, 20370182, 40740364, 81480728]

約数ペア:

[(1, 81480728), (2, 40740364), (4, 20370182), (7, 11640104), (8, 10185091), (14, 5820052), (17, 4792984), (28, 2910026), (34, 2396492), (49, 1662872), (56, 1455013), (68, 1198246), (98, 831436), (119, 684712), (136, 599123), (196, 415718), (238, 342356), (392, 207859), (476, 171178), (833, 97816), (952, 85589), (1666, 48908), (3332, 24454), (6664, 12227)]