78285788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{90191}}^1$

素因数の和:90233

約数の個数: 24

約数和(自身を含む): 161624064

約数和(自身を除く): 83338276

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 90191, 180382, 360764, 631337, 1262674, 2525348, 2795921, 5591842, 11183684, 19571447, 39142894, 78285788]

約数ペア:

[(1, 78285788), (2, 39142894), (4, 19571447), (7, 11183684), (14, 5591842), (28, 2795921), (31, 2525348), (62, 1262674), (124, 631337), (217, 360764), (434, 180382), (868, 90191)]