397454407

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4751}}^1$

素因数の和:4831

約数の個数: 32

約数和(自身を含む): 520058880

約数和(自身を除く): 122604473

約数列:

[1, 7, 17, 19, 37, 119, 133, 259, 323, 629, 703, 2261, 4403, 4751, 4921, 11951, 33257, 80767, 83657, 90269, 175787, 565369, 631883, 1230509, 1534573, 2988379, 3339953, 10742011, 20918653, 23379671, 56779201, 397454407]

約数ペア:

[(1, 397454407), (7, 56779201), (17, 23379671), (19, 20918653), (37, 10742011), (119, 3339953), (133, 2988379), (259, 1534573), (323, 1230509), (629, 631883), (703, 565369), (2261, 175787), (4403, 90269), (4751, 83657), (4921, 80767), (11951, 33257)]