25314289

素因数分解:

$7^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:83

約数の個数: 40

約数和(自身を含む): 36075200

約数和(自身を除く): 10760911

約数列:

[1, 7, 11, 13, 19, 77, 91, 121, 133, 143, 209, 247, 847, 1001, 1331, 1463, 1573, 1729, 2299, 2717, 9317, 11011, 14641, 16093, 17303, 19019, 25289, 29887, 102487, 121121, 177023, 190333, 209209, 278179, 328757, 1332331, 1947253, 2301299, 3616327, 25314289]

約数ペア:

[(1, 25314289), (7, 3616327), (11, 2301299), (13, 1947253), (19, 1332331), (77, 328757), (91, 278179), (121, 209209), (133, 190333), (143, 177023), (209, 121121), (247, 102487), (847, 29887), (1001, 25289), (1331, 19019), (1463, 17303), (1573, 16093), (1729, 14641), (2299, 11011), (2717, 9317)]