2783806928455

素因数分解:

$5^1\times 7^4\times {\mathrm{61}}^1\times {\mathrm{3801431}}^1$

素因数の和:3801525

約数の個数: 40

約数和(自身を含む): 3960985703904

約数和(自身を除く): 1177178775449

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 343, 427, 1715, 2135, 2401, 2989, 12005, 14945, 20923, 104615, 146461, 732305, 3801431, 19007155, 26610017, 133050085, 186270119, 231887291, 931350595, 1159436455, 1303890833, 1623211037, 6519454165, 8116055185, 9127235831, 11362477259, 45636179155, 56812386295, 79537340813, 397686704065, 556761385691, 2783806928455]

約数ペア:

[(1, 2783806928455), (5, 556761385691), (7, 397686704065), (35, 79537340813), (49, 56812386295), (61, 45636179155), (245, 11362477259), (305, 9127235831), (343, 8116055185), (427, 6519454165), (1715, 1623211037), (2135, 1303890833), (2401, 1159436455), (2989, 931350595), (12005, 231887291), (14945, 186270119), (20923, 133050085), (104615, 26610017), (146461, 19007155), (732305, 3801431)]