81136804

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6883}}^1$

素因数の和:7315

約数の個数: 24

約数和(自身を含む): 162682688

約数和(自身を除く): 81545884

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 6883, 11788, 13766, 27532, 48181, 96362, 192724, 2897743, 5795486, 11590972, 20284201, 40568402, 81136804]

約数ペア:

[(1, 81136804), (2, 40568402), (4, 20284201), (7, 11590972), (14, 5795486), (28, 2897743), (421, 192724), (842, 96362), (1684, 48181), (2947, 27532), (5894, 13766), (6883, 11788)]