72617492

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 129101280

約数和(自身を除く): 56483788

約数列:

[1, 2, 4, 131, 139, 262, 278, 524, 556, 997, 1994, 3988, 18209, 36418, 72836, 130607, 138583, 261214, 277166, 522428, 554332, 18154373, 36308746, 72617492]

約数ペア:

[(1, 72617492), (2, 36308746), (4, 18154373), (131, 554332), (139, 522428), (262, 277166), (278, 261214), (524, 138583), (556, 130607), (997, 72836), (1994, 36418), (3988, 18209)]