213555706

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61757}}^1$

素因数の和:61798

約数の個数: 32

約数和(自身を含む): 415013760

約数和(自身を除く): 201458054

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 61757, 123514, 432299, 802841, 864598, 1173383, 1605682, 2346766, 5619887, 8213681, 11239774, 15253979, 16427362, 30507958, 106777853, 213555706]

約数ペア:

[(1, 213555706), (2, 106777853), (7, 30507958), (13, 16427362), (14, 15253979), (19, 11239774), (26, 8213681), (38, 5619887), (91, 2346766), (133, 1605682), (182, 1173383), (247, 864598), (266, 802841), (494, 432299), (1729, 123514), (3458, 61757)]