81395416

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{104891}}^1$

素因数の和:104994

約数の個数: 16

約数和(自身を含む): 154191240

約数和(自身を除く): 72795824

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 104891, 209782, 419564, 839128, 10174427, 20348854, 40697708, 81395416]

約数ペア:

[(1, 81395416), (2, 40697708), (4, 20348854), (8, 10174427), (97, 839128), (194, 419564), (388, 209782), (776, 104891)]