639767538

素因数分解:

$2^1\times 3^3\times {\mathrm{593}}^1\times {\mathrm{19979}}^1$

素因数の和:20583

約数の個数: 32

約数和(自身を含む): 1424174400

約数和(自身を除く): 784406862

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 593, 1186, 1779, 3558, 5337, 10674, 16011, 19979, 32022, 39958, 59937, 119874, 179811, 359622, 539433, 1078866, 11847547, 23695094, 35542641, 71085282, 106627923, 213255846, 319883769, 639767538]

約数ペア:

[(1, 639767538), (2, 319883769), (3, 213255846), (6, 106627923), (9, 71085282), (18, 35542641), (27, 23695094), (54, 11847547), (593, 1078866), (1186, 539433), (1779, 359622), (3558, 179811), (5337, 119874), (10674, 59937), (16011, 39958), (19979, 32022)]