201245872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{661993}}^1$

素因数の和:662020

約数の個数: 20

約数和(自身を含む): 410436280

約数和(自身を除く): 209190408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 661993, 1323986, 2647972, 5295944, 10591888, 12577867, 25155734, 50311468, 100622936, 201245872]

約数ペア:

[(1, 201245872), (2, 100622936), (4, 50311468), (8, 25155734), (16, 12577867), (19, 10591888), (38, 5295944), (76, 2647972), (152, 1323986), (304, 661993)]