287707915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6547}}^1$

素因数の和:6627

約数の個数: 32

約数和(自身を含む): 407337984

約数和(自身を除く): 119630069

約数列:

[1, 5, 11, 17, 47, 55, 85, 187, 235, 517, 799, 935, 2585, 3995, 6547, 8789, 32735, 43945, 72017, 111299, 307709, 360085, 556495, 1224289, 1538545, 3384799, 5231053, 6121445, 16923995, 26155265, 57541583, 287707915]

約数ペア:

[(1, 287707915), (5, 57541583), (11, 26155265), (17, 16923995), (47, 6121445), (55, 5231053), (85, 3384799), (187, 1538545), (235, 1224289), (517, 556495), (799, 360085), (935, 307709), (2585, 111299), (3995, 72017), (6547, 43945), (8789, 32735)]