213292772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 487710720

約数和(自身を除く): 274417948

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 89, 124, 154, 178, 217, 251, 308, 341, 356, 434, 502, 623, 682, 868, 979, 1004, 1246, 1364, 1757, 1958, 2387, 2492, 2759, 2761, 3514, 3916, 4774, 5518, 5522, 6853, 7028, 7781, 9548, 11036, 11044, 13706, 15562, 19313, 19327, 22339, 27412, 30349, 31124, 38626, 38654, 44678, 54467, 60698, 77252, 77308, 85591, 89356, 108934, 121396, 156373, 171182, 212443, 217868, 245729, 312746, 342364, 424886, 491458, 599137, 625492, 692509, 849772, 982916, 1198274, 1385018, 1720103, 2396548, 2770036, 3440206, 4847563, 6880412, 7617599, 9695126, 15235198, 19390252, 30470396, 53323193, 106646386, 213292772]

約数ペア:

[(1, 213292772), (2, 106646386), (4, 53323193), (7, 30470396), (11, 19390252), (14, 15235198), (22, 9695126), (28, 7617599), (31, 6880412), (44, 4847563), (62, 3440206), (77, 2770036), (89, 2396548), (124, 1720103), (154, 1385018), (178, 1198274), (217, 982916), (251, 849772), (308, 692509), (341, 625492), (356, 599137), (434, 491458), (502, 424886), (623, 342364), (682, 312746), (868, 245729), (979, 217868), (1004, 212443), (1246, 171182), (1364, 156373), (1757, 121396), (1958, 108934), (2387, 89356), (2492, 85591), (2759, 77308), (2761, 77252), (3514, 60698), (3916, 54467), (4774, 44678), (5518, 38654), (5522, 38626), (6853, 31124), (7028, 30349), (7781, 27412), (9548, 22339), (11036, 19327), (11044, 19313), (13706, 15562)]