25641469

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 31577280

約数和(自身を除く): 5935811

約数列:

[1, 7, 19, 73, 133, 139, 361, 511, 973, 1387, 2527, 2641, 9709, 10147, 18487, 26353, 50179, 71029, 184471, 192793, 351253, 1349551, 3663067, 25641469]

約数ペア:

[(1, 25641469), (7, 3663067), (19, 1349551), (73, 351253), (133, 192793), (139, 184471), (361, 71029), (511, 50179), (973, 26353), (1387, 18487), (2527, 10147), (2641, 9709)]