215871389

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2789}}^1$

素因数の和:2992

約数の個数: 16

約数和(自身を含む): 238042800

約数和(自身を除く): 22171411

約数列:

[1, 17, 29, 157, 493, 2669, 2789, 4553, 47413, 77401, 80881, 437873, 1374977, 7443841, 12698317, 215871389]

約数ペア:

[(1, 215871389), (17, 12698317), (29, 7443841), (157, 1374977), (493, 437873), (2669, 80881), (2789, 77401), (4553, 47413)]