40071815

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^2$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 56267232

約数和(自身を除く): 16195417

約数列:

[1, 5, 7, 35, 61, 137, 305, 427, 685, 959, 2135, 4795, 8357, 18769, 41785, 58499, 93845, 131383, 292495, 656915, 1144909, 5724545, 8014363, 40071815]

約数ペア:

[(1, 40071815), (5, 8014363), (7, 5724545), (35, 1144909), (61, 656915), (137, 292495), (305, 131383), (427, 93845), (685, 58499), (959, 41785), (2135, 18769), (4795, 8357)]