66388223

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 78140160

約数和(自身を除く): 11751937

約数列:

[1, 11, 19, 67, 121, 209, 431, 737, 1273, 2299, 4741, 8107, 8189, 14003, 28877, 52151, 90079, 154033, 317647, 548663, 990869, 3494117, 6035293, 66388223]

約数ペア:

[(1, 66388223), (11, 6035293), (19, 3494117), (67, 990869), (121, 548663), (209, 317647), (431, 154033), (737, 90079), (1273, 52151), (2299, 28877), (4741, 14003), (8107, 8189)]