30721964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{84401}}^1$

素因数の和:84425

約数の個数: 24

約数和(自身を含む): 66171168

約数和(自身を除く): 35449204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 84401, 168802, 337604, 590807, 1097213, 1181614, 2194426, 2363228, 4388852, 7680491, 15360982, 30721964]

約数ペア:

[(1, 30721964), (2, 15360982), (4, 7680491), (7, 4388852), (13, 2363228), (14, 2194426), (26, 1181614), (28, 1097213), (52, 590807), (91, 337604), (182, 168802), (364, 84401)]