215340208

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{33563}}^1$

素因数の和:33972

約数の個数: 20

約数和(自身を含む): 418274568

約数和(自身を除く): 202934360

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 33563, 67126, 134252, 268504, 537008, 13458763, 26917526, 53835052, 107670104, 215340208]

約数ペア:

[(1, 215340208), (2, 107670104), (4, 53835052), (8, 26917526), (16, 13458763), (401, 537008), (802, 268504), (1604, 134252), (3208, 67126), (6416, 33563)]