81964372

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 171279360

約数和(自身を除く): 89314988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 89, 124, 178, 217, 356, 434, 623, 868, 1061, 1246, 2122, 2492, 2759, 4244, 5518, 7427, 11036, 14854, 19313, 29708, 32891, 38626, 65782, 77252, 94429, 131564, 188858, 230237, 377716, 460474, 661003, 920948, 1322006, 2644012, 2927299, 5854598, 11709196, 20491093, 40982186, 81964372]

約数ペア:

[(1, 81964372), (2, 40982186), (4, 20491093), (7, 11709196), (14, 5854598), (28, 2927299), (31, 2644012), (62, 1322006), (89, 920948), (124, 661003), (178, 460474), (217, 377716), (356, 230237), (434, 188858), (623, 131564), (868, 94429), (1061, 77252), (1246, 65782), (2122, 38626), (2492, 32891), (2759, 29708), (4244, 19313), (5518, 14854), (7427, 11036)]