2161142015

素因数分解:

$5^1\times {\mathrm{47}}^2\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 2661815520

約数和(自身を除く): 500673505

約数列:

[1, 5, 47, 235, 389, 503, 1945, 2209, 2515, 11045, 18283, 23641, 91415, 118205, 195667, 859301, 978335, 1111127, 4296505, 5555635, 9196349, 45981745, 432228403, 2161142015]

約数ペア:

[(1, 2161142015), (5, 432228403), (47, 45981745), (235, 9196349), (389, 5555635), (503, 4296505), (1945, 1111127), (2209, 978335), (2515, 859301), (11045, 195667), (18283, 118205), (23641, 91415)]