208437296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{685649}}^1$

素因数の和:685676

約数の個数: 20

約数和(自身を含む): 425103000

約数和(自身を除く): 216665704

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 685649, 1371298, 2742596, 5485192, 10970384, 13027331, 26054662, 52109324, 104218648, 208437296]

約数ペア:

[(1, 208437296), (2, 104218648), (4, 52109324), (8, 26054662), (16, 13027331), (19, 10970384), (38, 5485192), (76, 2742596), (152, 1371298), (304, 685649)]