890456861

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{5749}}^1$

素因数の和:5901

約数の個数: 24

約数和(自身を含む): 1081575000

約数和(自身を除く): 191118139

約数列:

[1, 7, 29, 49, 109, 203, 763, 1421, 3161, 5341, 5749, 22127, 40243, 154889, 166721, 281701, 626641, 1167047, 4386487, 8169329, 18172589, 30705409, 127208123, 890456861]

約数ペア:

[(1, 890456861), (7, 127208123), (29, 30705409), (49, 18172589), (109, 8169329), (203, 4386487), (763, 1167047), (1421, 626641), (3161, 281701), (5341, 166721), (5749, 154889), (22127, 40243)]