201728714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{90787}}^1$

素因数の和:90901

約数の個数: 16

約数和(自身を含む): 333373536

約数和(自身を除く): 131644822

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 90787, 181574, 998657, 1997314, 9169487, 18338974, 100864357, 201728714]

約数ペア:

[(1, 201728714), (2, 100864357), (11, 18338974), (22, 9169487), (101, 1997314), (202, 998657), (1111, 181574), (2222, 90787)]