646195568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2375719}}^1$

素因数の和:2375744

約数の個数: 20

約数和(自身を含む): 1325651760

約数和(自身を除く): 679456192

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2375719, 4751438, 9502876, 19005752, 38011504, 40387223, 80774446, 161548892, 323097784, 646195568]

約数ペア:

[(1, 646195568), (2, 323097784), (4, 161548892), (8, 80774446), (16, 40387223), (17, 38011504), (34, 19005752), (68, 9502876), (136, 4751438), (272, 2375719)]