261927774975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{19489}}^1$

素因数の和:19729

約数の個数: 96

約数和(自身を含む): 467730063360

約数和(自身を除く): 205802288385

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 83, 85, 127, 249, 255, 381, 415, 425, 635, 1245, 1275, 1411, 1905, 2075, 2159, 3175, 4233, 6225, 6477, 7055, 9525, 10541, 10795, 19489, 21165, 31623, 32385, 35275, 52705, 53975, 58467, 97445, 105825, 158115, 161925, 179197, 263525, 292335, 331313, 487225, 537591, 790575, 895985, 993939, 1461675, 1617587, 1656565, 2475103, 2687955, 4479925, 4852761, 4969695, 7425309, 8087935, 8282825, 12375515, 13439775, 24263805, 24848475, 27498979, 37126545, 40439675, 42076751, 61877575, 82496937, 121319025, 126230253, 137494895, 185632725, 205433549, 210383755, 412484685, 616300647, 631151265, 687474475, 1027167745, 1051918775, 2062423425, 3081503235, 3155756325, 3492370333, 5135838725, 10477110999, 15407516175, 17461851665, 52385554995, 87309258325, 261927774975]

約数ペア:

[(1, 261927774975), (3, 87309258325), (5, 52385554995), (15, 17461851665), (17, 15407516175), (25, 10477110999), (51, 5135838725), (75, 3492370333), (83, 3155756325), (85, 3081503235), (127, 2062423425), (249, 1051918775), (255, 1027167745), (381, 687474475), (415, 631151265), (425, 616300647), (635, 412484685), (1245, 210383755), (1275, 205433549), (1411, 185632725), (1905, 137494895), (2075, 126230253), (2159, 121319025), (3175, 82496937), (4233, 61877575), (6225, 42076751), (6477, 40439675), (7055, 37126545), (9525, 27498979), (10541, 24848475), (10795, 24263805), (19489, 13439775), (21165, 12375515), (31623, 8282825), (32385, 8087935), (35275, 7425309), (52705, 4969695), (53975, 4852761), (58467, 4479925), (97445, 2687955), (105825, 2475103), (158115, 1656565), (161925, 1617587), (179197, 1461675), (263525, 993939), (292335, 895985), (331313, 790575), (487225, 537591)]