1640598916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{1979}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 3185360640

約数和(自身を除く): 1544761724

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 227, 332, 454, 908, 913, 1826, 1979, 2497, 3652, 3958, 4994, 7916, 9988, 18841, 21769, 37682, 43538, 75364, 87076, 164257, 207251, 328514, 414502, 449233, 657028, 829004, 898466, 1796932, 1806827, 3613654, 4941563, 7227308, 9883126, 19766252, 37286339, 74572678, 149145356, 410149729, 820299458, 1640598916]

約数ペア:

[(1, 1640598916), (2, 820299458), (4, 410149729), (11, 149145356), (22, 74572678), (44, 37286339), (83, 19766252), (166, 9883126), (227, 7227308), (332, 4941563), (454, 3613654), (908, 1806827), (913, 1796932), (1826, 898466), (1979, 829004), (2497, 657028), (3652, 449233), (3958, 414502), (4994, 328514), (7916, 207251), (9988, 164257), (18841, 87076), (21769, 75364), (37682, 43538)]