804917841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 1353977856

約数和(自身を除く): 549060015

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 131, 213, 273, 317, 393, 497, 917, 923, 951, 1491, 1703, 2219, 2751, 2769, 4121, 5109, 6461, 6657, 9301, 11921, 12363, 19383, 22507, 27903, 28847, 35763, 41527, 65107, 67521, 86541, 120913, 124581, 157549, 195321, 290689, 292591, 362739, 472647, 539851, 846391, 872067, 877773, 1619553, 2048137, 2539173, 2948417, 3778957, 6144411, 8845251, 11336871, 20638919, 38329421, 61916757, 114988263, 268305947, 804917841]

約数ペア:

[(1, 804917841), (3, 268305947), (7, 114988263), (13, 61916757), (21, 38329421), (39, 20638919), (71, 11336871), (91, 8845251), (131, 6144411), (213, 3778957), (273, 2948417), (317, 2539173), (393, 2048137), (497, 1619553), (917, 877773), (923, 872067), (951, 846391), (1491, 539851), (1703, 472647), (2219, 362739), (2751, 292591), (2769, 290689), (4121, 195321), (5109, 157549), (6461, 124581), (6657, 120913), (9301, 86541), (11921, 67521), (12363, 65107), (19383, 41527), (22507, 35763), (27903, 28847)]