664796624

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2186831}}^1$

素因数の和:2186858

約数の個数: 20

約数和(自身を含む): 1355835840

約数和(自身を除く): 691039216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2186831, 4373662, 8747324, 17494648, 34989296, 41549789, 83099578, 166199156, 332398312, 664796624]

約数ペア:

[(1, 664796624), (2, 332398312), (4, 166199156), (8, 83099578), (16, 41549789), (19, 34989296), (38, 17494648), (76, 8747324), (152, 4373662), (304, 2186831)]