257416494818

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{937}}^1$

素因数の和:1300

約数の個数: 128

約数和(自身を含む): 482369126400

約数和(自身を除く): 224952631582

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 127, 149, 238, 254, 298, 427, 854, 889, 937, 1037, 1043, 1778, 1874, 2074, 2086, 2159, 2533, 4318, 5066, 6559, 7259, 7747, 9089, 13118, 14518, 15113, 15494, 15929, 17731, 18178, 18923, 30226, 31858, 35462, 37846, 54229, 57157, 63623, 108458, 111503, 114314, 118999, 127246, 131699, 132461, 139613, 154513, 223006, 237998, 263398, 264922, 279226, 309026, 321691, 400099, 643382, 800198, 832993, 921893, 971669, 977291, 1081591, 1154303, 1665986, 1843786, 1943338, 1954582, 2022983, 2163182, 2251837, 2308606, 2373421, 4045966, 4503674, 4746842, 6801683, 7258939, 8080121, 8516393, 13603366, 14160881, 14517878, 16160242, 16613947, 17032786, 17730851, 19623151, 28321762, 33227894, 35461702, 39246302, 50812573, 59614751, 101625146, 119229502, 123401963, 124115957, 137362057, 144778681, 246803926, 248231914, 274724114, 289557362, 301424467, 602848934, 863813741, 1013450767, 1081581911, 1727627482, 2026901534, 2109971269, 2163163822, 4219942538, 7571073377, 15142146754, 18386892487, 36773784974, 128708247409, 257416494818]

約数ペア:

[(1, 257416494818), (2, 128708247409), (7, 36773784974), (14, 18386892487), (17, 15142146754), (34, 7571073377), (61, 4219942538), (119, 2163163822), (122, 2109971269), (127, 2026901534), (149, 1727627482), (238, 1081581911), (254, 1013450767), (298, 863813741), (427, 602848934), (854, 301424467), (889, 289557362), (937, 274724114), (1037, 248231914), (1043, 246803926), (1778, 144778681), (1874, 137362057), (2074, 124115957), (2086, 123401963), (2159, 119229502), (2533, 101625146), (4318, 59614751), (5066, 50812573), (6559, 39246302), (7259, 35461702), (7747, 33227894), (9089, 28321762), (13118, 19623151), (14518, 17730851), (15113, 17032786), (15494, 16613947), (15929, 16160242), (17731, 14517878), (18178, 14160881), (18923, 13603366), (30226, 8516393), (31858, 8080121), (35462, 7258939), (37846, 6801683), (54229, 4746842), (57157, 4503674), (63623, 4045966), (108458, 2373421), (111503, 2308606), (114314, 2251837), (118999, 2163182), (127246, 2022983), (131699, 1954582), (132461, 1943338), (139613, 1843786), (154513, 1665986), (223006, 1154303), (237998, 1081591), (263398, 977291), (264922, 971669), (279226, 921893), (309026, 832993), (321691, 800198), (400099, 643382)]