25108139

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 31122000

約数和(自身を除く): 6013861

約数列:

[1, 7, 19, 49, 133, 149, 181, 931, 1043, 1267, 2831, 3439, 7301, 8869, 19817, 24073, 26969, 138719, 168511, 188783, 512411, 1321481, 3586877, 25108139]

約数ペア:

[(1, 25108139), (7, 3586877), (19, 1321481), (49, 512411), (133, 188783), (149, 168511), (181, 138719), (931, 26969), (1043, 24073), (1267, 19817), (2831, 8869), (3439, 7301)]