320021618

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{7159}}^1$

素因数の和:7302

約数の個数: 32

約数和(自身を含む): 571883520

約数和(自身を除く): 251861902

約数列:

[1, 2, 7, 14, 31, 62, 103, 206, 217, 434, 721, 1442, 3193, 6386, 7159, 14318, 22351, 44702, 50113, 100226, 221929, 443858, 737377, 1474754, 1553503, 3107006, 5161639, 10323278, 22858687, 45717374, 160010809, 320021618]

約数ペア:

[(1, 320021618), (2, 160010809), (7, 45717374), (14, 22858687), (31, 10323278), (62, 5161639), (103, 3107006), (206, 1553503), (217, 1474754), (434, 737377), (721, 443858), (1442, 221929), (3193, 100226), (6386, 50113), (7159, 44702), (14318, 22351)]