97857991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12583}}^1$

素因数の和:12702

約数の個数: 16

約数和(自身を含む): 123222528

約数和(自身を除く): 25364537

約数列:

[1, 7, 11, 77, 101, 707, 1111, 7777, 12583, 88081, 138413, 968891, 1270883, 8896181, 13979713, 97857991]

約数ペア:

[(1, 97857991), (7, 13979713), (11, 8896181), (77, 1270883), (101, 968891), (707, 138413), (1111, 88081), (7777, 12583)]