816901820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5835013}}^1$

素因数の和:5835029

約数の個数: 24

約数和(自身を含む): 1960564704

約数和(自身を除く): 1143662884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5835013, 11670026, 23340052, 29175065, 40845091, 58350130, 81690182, 116700260, 163380364, 204225455, 408450910, 816901820]

約数ペア:

[(1, 816901820), (2, 408450910), (4, 204225455), (5, 163380364), (7, 116700260), (10, 81690182), (14, 58350130), (20, 40845091), (28, 29175065), (35, 23340052), (70, 11670026), (140, 5835013)]