1720199138

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1\times {\mathrm{2861}}^1$

素因数の和:3578

約数の個数: 32

約数和(自身を含む): 2998643328

約数和(自身を除く): 1278444190

約数列:

[1, 2, 7, 14, 67, 134, 469, 641, 938, 1282, 2861, 4487, 5722, 8974, 20027, 40054, 42947, 85894, 191687, 300629, 383374, 601258, 1341809, 1833901, 2683618, 3667802, 12837307, 25674614, 122871367, 245742734, 860099569, 1720199138]

約数ペア:

[(1, 1720199138), (2, 860099569), (7, 245742734), (14, 122871367), (67, 25674614), (134, 12837307), (469, 3667802), (641, 2683618), (938, 1833901), (1282, 1341809), (2861, 601258), (4487, 383374), (5722, 300629), (8974, 191687), (20027, 85894), (40054, 42947)]