391299664

素因数分解:

$2^4\times 7^1\times {\mathrm{3493747}}^1$

素因数の和:3493762

約数の個数: 20

約数和(自身を含む): 866449504

約数和(自身を除く): 475149840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3493747, 6987494, 13974988, 24456229, 27949976, 48912458, 55899952, 97824916, 195649832, 391299664]

約数ペア:

[(1, 391299664), (2, 195649832), (4, 97824916), (7, 55899952), (8, 48912458), (14, 27949976), (16, 24456229), (28, 13974988), (56, 6987494), (112, 3493747)]