398713936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1311559}}^1$

素因数の和:1311586

約数の個数: 20

約数和(自身を含む): 813167200

約数和(自身を除く): 414453264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1311559, 2623118, 5246236, 10492472, 20984944, 24919621, 49839242, 99678484, 199356968, 398713936]

約数ペア:

[(1, 398713936), (2, 199356968), (4, 99678484), (8, 49839242), (16, 24919621), (19, 20984944), (38, 10492472), (76, 5246236), (152, 2623118), (304, 1311559)]