420453506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{189223}}^1$

素因数の和:189337

約数の個数: 16

約数和(自身を含む): 694830528

約数和(自身を除く): 274377022

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 189223, 378446, 2081453, 4162906, 19111523, 38223046, 210226753, 420453506]

約数ペア:

[(1, 420453506), (2, 210226753), (11, 38223046), (22, 19111523), (101, 4162906), (202, 2081453), (1111, 378446), (2222, 189223)]