215778810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{553279}}^1$

素因数の和:553302

約数の個数: 32

約数和(自身を含む): 557706240

約数和(自身を除く): 341927430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 553279, 1106558, 1659837, 2766395, 3319674, 5532790, 7192627, 8299185, 14385254, 16598370, 21577881, 35963135, 43155762, 71926270, 107889405, 215778810]

約数ペア:

[(1, 215778810), (2, 107889405), (3, 71926270), (5, 43155762), (6, 35963135), (10, 21577881), (13, 16598370), (15, 14385254), (26, 8299185), (30, 7192627), (39, 5532790), (65, 3319674), (78, 2766395), (130, 1659837), (195, 1106558), (390, 553279)]