90834478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1091}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 164586240

約数和(自身を除く): 73751762

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 313, 626, 1091, 2182, 2191, 4382, 5947, 7637, 11894, 15274, 20729, 41458, 41629, 83258, 145103, 290206, 341483, 682966, 2390381, 4780762, 6488177, 12976354, 45417239, 90834478]

約数ペア:

[(1, 90834478), (2, 45417239), (7, 12976354), (14, 6488177), (19, 4780762), (38, 2390381), (133, 682966), (266, 341483), (313, 290206), (626, 145103), (1091, 83258), (2182, 41629), (2191, 41458), (4382, 20729), (5947, 15274), (7637, 11894)]