1287706

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 2396160

約数和(自身を除く): 1108454

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 103, 133, 206, 266, 329, 658, 721, 893, 1442, 1786, 1957, 3914, 4841, 6251, 9682, 12502, 13699, 27398, 33887, 67774, 91979, 183958, 643853, 1287706]

約数ペア:

[(1, 1287706), (2, 643853), (7, 183958), (14, 91979), (19, 67774), (38, 33887), (47, 27398), (94, 13699), (103, 12502), (133, 9682), (206, 6251), (266, 4841), (329, 3914), (658, 1957), (721, 1786), (893, 1442)]