242198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 16

約数和(自身を含む): 403920

約数和(自身を除く): 161722

約数列:

[1, 2, 11, 22, 101, 109, 202, 218, 1111, 1199, 2222, 2398, 11009, 22018, 121099, 242198]

約数ペア:

[(1, 242198), (2, 121099), (11, 22018), (22, 11009), (101, 2398), (109, 2222), (202, 1199), (218, 1111)]