87635756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{2621}}^1$

素因数の和:3281

約数の個数: 24

約数和(自身を含む): 165479664

約数和(自身を除く): 77843908

約数列:

[1, 2, 4, 13, 26, 52, 643, 1286, 2572, 2621, 5242, 8359, 10484, 16718, 33436, 34073, 68146, 136292, 1685303, 3370606, 6741212, 21908939, 43817878, 87635756]

約数ペア:

[(1, 87635756), (2, 43817878), (4, 21908939), (13, 6741212), (26, 3370606), (52, 1685303), (643, 136292), (1286, 68146), (2572, 34073), (2621, 33436), (5242, 16718), (8359, 10484)]