1389044

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 2536128

約数和(自身を除く): 1147084

約数列:

[1, 2, 4, 67, 71, 73, 134, 142, 146, 268, 284, 292, 4757, 4891, 5183, 9514, 9782, 10366, 19028, 19564, 20732, 347261, 694522, 1389044]

約数ペア:

[(1, 1389044), (2, 694522), (4, 347261), (67, 20732), (71, 19564), (73, 19028), (134, 10366), (142, 9782), (146, 9514), (268, 5183), (284, 4891), (292, 4757)]