289131115

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{6983}}^1$

素因数の和:7028

約数の個数: 36

約数和(自身を含む): 437100624

約数和(自身を除く): 147969509

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 455, 637, 845, 1183, 3185, 5915, 6983, 8281, 34915, 41405, 48881, 90779, 244405, 342167, 453895, 635453, 1180127, 1710835, 3177265, 4448171, 5900635, 8260889, 22240855, 41304445, 57826223, 289131115]

約数ペア:

[(1, 289131115), (5, 57826223), (7, 41304445), (13, 22240855), (35, 8260889), (49, 5900635), (65, 4448171), (91, 3177265), (169, 1710835), (245, 1180127), (455, 635453), (637, 453895), (845, 342167), (1183, 244405), (3185, 90779), (5915, 48881), (6983, 41405), (8281, 34915)]