8920219

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 11907072

約数和(自身を除く): 2986853

約数列:

[1, 7, 11, 31, 37, 77, 101, 217, 259, 341, 407, 707, 1111, 1147, 2387, 2849, 3131, 3737, 7777, 8029, 12617, 21917, 26159, 34441, 41107, 88319, 115847, 241087, 287749, 810929, 1274317, 8920219]

約数ペア:

[(1, 8920219), (7, 1274317), (11, 810929), (31, 287749), (37, 241087), (77, 115847), (101, 88319), (217, 41107), (259, 34441), (341, 26159), (407, 21917), (707, 12617), (1111, 8029), (1147, 7777), (2387, 3737), (2849, 3131)]