81178708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50359}}^1$

素因数の和:50407

約数の個数: 24

約数和(自身を含む): 157928960

約数和(自身を除く): 76750252

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 50359, 100718, 201436, 654667, 1309334, 1561129, 2618668, 3122258, 6244516, 20294677, 40589354, 81178708]

約数ペア:

[(1, 81178708), (2, 40589354), (4, 20294677), (13, 6244516), (26, 3122258), (31, 2618668), (52, 1561129), (62, 1309334), (124, 654667), (403, 201436), (806, 100718), (1612, 50359)]