78745264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{378583}}^1$

素因数の和:378604

約数の個数: 20

約数和(自身を含む): 164305456

約数和(自身を除く): 85560192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378583, 757166, 1514332, 3028664, 4921579, 6057328, 9843158, 19686316, 39372632, 78745264]

約数ペア:

[(1, 78745264), (2, 39372632), (4, 19686316), (8, 9843158), (13, 6057328), (16, 4921579), (26, 3028664), (52, 1514332), (104, 757166), (208, 378583)]