156721928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 332640000

約数和(自身を除く): 175918072

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 83, 86, 88, 166, 172, 332, 344, 473, 499, 664, 913, 946, 998, 1826, 1892, 1996, 3569, 3652, 3784, 3992, 5489, 7138, 7304, 10978, 14276, 21457, 21956, 28552, 39259, 41417, 42914, 43912, 78518, 82834, 85828, 157036, 165668, 171656, 236027, 314072, 331336, 455587, 472054, 911174, 944108, 1780931, 1822348, 1888216, 3561862, 3644696, 7123724, 14247448, 19590241, 39180482, 78360964, 156721928]

約数ペア:

[(1, 156721928), (2, 78360964), (4, 39180482), (8, 19590241), (11, 14247448), (22, 7123724), (43, 3644696), (44, 3561862), (83, 1888216), (86, 1822348), (88, 1780931), (166, 944108), (172, 911174), (332, 472054), (344, 455587), (473, 331336), (499, 314072), (664, 236027), (913, 171656), (946, 165668), (998, 157036), (1826, 85828), (1892, 82834), (1996, 78518), (3569, 43912), (3652, 42914), (3784, 41417), (3992, 39259), (5489, 28552), (7138, 21956), (7304, 21457), (10978, 14276)]