664495854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1913}}^1$

素因数の和:2225

約数の個数: 64

約数和(自身を含む): 1532424960

約数和(自身を除く): 867929106

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 277, 418, 554, 627, 831, 1254, 1662, 1913, 3047, 3826, 5263, 5739, 6094, 9141, 10526, 11478, 15789, 18282, 21043, 31578, 36347, 42086, 57893, 63129, 72694, 109041, 115786, 126258, 173679, 218082, 347358, 399817, 529901, 799634, 1059802, 1199451, 1589703, 2398902, 3179406, 5828911, 10068119, 11657822, 17486733, 20136238, 30204357, 34973466, 60408714, 110749309, 221498618, 332247927, 664495854]

約数ペア:

[(1, 664495854), (2, 332247927), (3, 221498618), (6, 110749309), (11, 60408714), (19, 34973466), (22, 30204357), (33, 20136238), (38, 17486733), (57, 11657822), (66, 10068119), (114, 5828911), (209, 3179406), (277, 2398902), (418, 1589703), (554, 1199451), (627, 1059802), (831, 799634), (1254, 529901), (1662, 399817), (1913, 347358), (3047, 218082), (3826, 173679), (5263, 126258), (5739, 115786), (6094, 109041), (9141, 72694), (10526, 63129), (11478, 57893), (15789, 42086), (18282, 36347), (21043, 31578)]