2178045345

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{41737}}^1$

素因数の和:41830

約数の個数: 48

約数和(自身を含む): 4111026048

約数和(自身を除く): 1932980703

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 735, 1065, 1491, 2485, 3479, 7455, 10437, 17395, 41737, 52185, 125211, 208685, 292159, 626055, 876477, 1460795, 2045113, 2963327, 4382385, 6135339, 8889981, 10225565, 14816635, 20743289, 30676695, 44449905, 62229867, 103716445, 145203023, 311149335, 435609069, 726015115, 2178045345]

約数ペア:

[(1, 2178045345), (3, 726015115), (5, 435609069), (7, 311149335), (15, 145203023), (21, 103716445), (35, 62229867), (49, 44449905), (71, 30676695), (105, 20743289), (147, 14816635), (213, 10225565), (245, 8889981), (355, 6135339), (497, 4382385), (735, 2963327), (1065, 2045113), (1491, 1460795), (2485, 876477), (3479, 626055), (7455, 292159), (10437, 208685), (17395, 125211), (41737, 52185)]