243501872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{800993}}^1$

素因数の和:801020

約数の個数: 20

約数和(自身を含む): 496616280

約数和(自身を除く): 253114408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 800993, 1601986, 3203972, 6407944, 12815888, 15218867, 30437734, 60875468, 121750936, 243501872]

約数ペア:

[(1, 243501872), (2, 121750936), (4, 60875468), (8, 30437734), (16, 15218867), (19, 12815888), (38, 6407944), (76, 3203972), (152, 1601986), (304, 800993)]