219976687

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{10729}}^1$

素因数の和:10866

約数の個数: 16

約数和(自身を含む): 262670400

約数和(自身を除く): 42693713

約数列:

[1, 7, 29, 101, 203, 707, 2929, 10729, 20503, 75103, 311141, 1083629, 2177987, 7585403, 31425241, 219976687]

約数ペア:

[(1, 219976687), (7, 31425241), (29, 7585403), (101, 2177987), (203, 1083629), (707, 311141), (2929, 75103), (10729, 20503)]