2047465

素因数分解:

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

素因数の和:217

約数の個数: 24

約数和(自身を含む): 2926152

約数和(自身を除く): 878687

約数列:

[1, 5, 7, 35, 49, 61, 137, 245, 305, 427, 685, 959, 2135, 2989, 4795, 6713, 8357, 14945, 33565, 41785, 58499, 292495, 409493, 2047465]

約数ペア:

[(1, 2047465), (5, 409493), (7, 292495), (35, 58499), (49, 41785), (61, 33565), (137, 14945), (245, 8357), (305, 6713), (427, 4795), (685, 2989), (959, 2135)]