20171213892

素因数分解:

$2^2\times 3^4\times {\mathrm{131}}^1\times {\mathrm{475243}}^1$

素因数の和:475390

約数の個数: 60

約数和(自身を含む): 53134180176

約数和(自身を除く): 32962966284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 262, 324, 393, 524, 786, 1179, 1572, 2358, 3537, 4716, 7074, 10611, 14148, 21222, 42444, 475243, 950486, 1425729, 1900972, 2851458, 4277187, 5702916, 8554374, 12831561, 17108748, 25663122, 38494683, 51326244, 62256833, 76989366, 124513666, 153978732, 186770499, 249027332, 373540998, 560311497, 747081996, 1120622994, 1680934491, 2241245988, 3361868982, 5042803473, 6723737964, 10085606946, 20171213892]

約数ペア:

[(1, 20171213892), (2, 10085606946), (3, 6723737964), (4, 5042803473), (6, 3361868982), (9, 2241245988), (12, 1680934491), (18, 1120622994), (27, 747081996), (36, 560311497), (54, 373540998), (81, 249027332), (108, 186770499), (131, 153978732), (162, 124513666), (262, 76989366), (324, 62256833), (393, 51326244), (524, 38494683), (786, 25663122), (1179, 17108748), (1572, 12831561), (2358, 8554374), (3537, 5702916), (4716, 4277187), (7074, 2851458), (10611, 1900972), (14148, 1425729), (21222, 950486), (42444, 475243)]