12712805

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 18686880

約数和(自身を除く): 5974075

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 2731, 4655, 13655, 19117, 51889, 95585, 133819, 259445, 363223, 669095, 1816115, 2542561, 12712805]

約数ペア:

[(1, 12712805), (5, 2542561), (7, 1816115), (19, 669095), (35, 363223), (49, 259445), (95, 133819), (133, 95585), (245, 51889), (665, 19117), (931, 13655), (2731, 4655)]