780521036

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{85621}}^1$

素因数の和:85721

約数の個数: 24

約数和(自身を含む): 1424065104

約数和(自身を除く): 643544068

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 4558, 9116, 85621, 171242, 342484, 3681703, 4537913, 7363406, 9075826, 14726812, 18151652, 195130259, 390260518, 780521036]

約数ペア:

[(1, 780521036), (2, 390260518), (4, 195130259), (43, 18151652), (53, 14726812), (86, 9075826), (106, 7363406), (172, 4537913), (212, 3681703), (2279, 342484), (4558, 171242), (9116, 85621)]