278610064

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{55633}}^1$

素因数の和:55954

約数の個数: 20

約数和(自身を含む): 541541356

約数和(自身を除く): 262931292

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 55633, 111266, 222532, 445064, 890128, 17413129, 34826258, 69652516, 139305032, 278610064]

約数ペア:

[(1, 278610064), (2, 139305032), (4, 69652516), (8, 34826258), (16, 17413129), (313, 890128), (626, 445064), (1252, 222532), (2504, 111266), (5008, 55633)]