72278185

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15527}}^1$

素因数の和:15565

約数の個数: 24

約数和(自身を含む): 106211520

約数和(自身を除く): 33933335

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 15527, 77635, 108689, 295013, 543445, 760823, 1475065, 2065091, 3804115, 10325455, 14455637, 72278185]

約数ペア:

[(1, 72278185), (5, 14455637), (7, 10325455), (19, 3804115), (35, 2065091), (49, 1475065), (95, 760823), (133, 543445), (245, 295013), (665, 108689), (931, 77635), (4655, 15527)]