207777199

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 253586160

約数和(自身を除く): 45808961

約数列:

[1, 7, 29, 49, 73, 203, 511, 1421, 2003, 2117, 3577, 14021, 14819, 58087, 98147, 103733, 146219, 406609, 1023533, 2846263, 4240351, 7164731, 29682457, 207777199]

約数ペア:

[(1, 207777199), (7, 29682457), (29, 7164731), (49, 4240351), (73, 2846263), (203, 1023533), (511, 406609), (1421, 146219), (2003, 103733), (2117, 98147), (3577, 58087), (14021, 14819)]