81246908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{1019}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 147141120

約数和(自身を除く): 65894212

約数列:

[1, 2, 4, 31, 62, 124, 643, 1019, 1286, 2038, 2572, 4076, 19933, 31589, 39866, 63178, 79732, 126356, 655217, 1310434, 2620868, 20311727, 40623454, 81246908]

約数ペア:

[(1, 81246908), (2, 40623454), (4, 20311727), (31, 2620868), (62, 1310434), (124, 655217), (643, 126356), (1019, 79732), (1286, 63178), (2038, 39866), (2572, 31589), (4076, 19933)]