787011173975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1\times {\mathrm{52321}}^1$

素因数の和:53868

約数の個数: 48

約数和(自身を含む): 1085612016384

約数和(自身を除く): 298600842409

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1493, 2015, 7465, 10075, 19409, 37325, 46283, 52321, 97045, 231415, 261605, 485225, 601679, 680173, 1157075, 1308025, 1621951, 3008395, 3400865, 8109755, 15041975, 17004325, 21085363, 40548775, 78115253, 105426815, 390576265, 527134075, 1015498289, 1952881325, 2421572843, 5077491445, 12107864215, 25387457225, 31480446959, 60539321075, 157402234795, 787011173975]

約数ペア:

[(1, 787011173975), (5, 157402234795), (13, 60539321075), (25, 31480446959), (31, 25387457225), (65, 12107864215), (155, 5077491445), (325, 2421572843), (403, 1952881325), (775, 1015498289), (1493, 527134075), (2015, 390576265), (7465, 105426815), (10075, 78115253), (19409, 40548775), (37325, 21085363), (46283, 17004325), (52321, 15041975), (97045, 8109755), (231415, 3400865), (261605, 3008395), (485225, 1621951), (601679, 1308025), (680173, 1157075)]