87712735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 119133504

約数和(自身を除く): 31420769

約数列:

[1, 5, 11, 41, 55, 97, 205, 401, 451, 485, 1067, 2005, 2255, 3977, 4411, 5335, 16441, 19885, 22055, 38897, 43747, 82205, 180851, 194485, 218735, 427867, 904255, 1594777, 2139335, 7973885, 17542547, 87712735]

約数ペア:

[(1, 87712735), (5, 17542547), (11, 7973885), (41, 2139335), (55, 1594777), (97, 904255), (205, 427867), (401, 218735), (451, 194485), (485, 180851), (1067, 82205), (2005, 43747), (2255, 38897), (3977, 22055), (4411, 19885), (5335, 16441)]