85869805

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 129645360

約数和(自身を除く): 43775555

約数列:

[1, 5, 7, 17, 35, 49, 53, 85, 119, 245, 265, 371, 389, 595, 833, 901, 1855, 1945, 2597, 2723, 4165, 4505, 6307, 6613, 12985, 13615, 19061, 20617, 31535, 33065, 44149, 46291, 95305, 103085, 144319, 220745, 231455, 324037, 350489, 721595, 1010233, 1620185, 1752445, 2453423, 5051165, 12267115, 17173961, 85869805]

約数ペア:

[(1, 85869805), (5, 17173961), (7, 12267115), (17, 5051165), (35, 2453423), (49, 1752445), (53, 1620185), (85, 1010233), (119, 721595), (245, 350489), (265, 324037), (371, 231455), (389, 220745), (595, 144319), (833, 103085), (901, 95305), (1855, 46291), (1945, 44149), (2597, 33065), (2723, 31535), (4165, 20617), (4505, 19061), (6307, 13615), (6613, 12985)]