68757745

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 96940800

約数和(自身を除く): 28183055

約数列:

[1, 5, 7, 35, 67, 109, 269, 335, 469, 545, 763, 1345, 1883, 2345, 3815, 7303, 9415, 18023, 29321, 36515, 51121, 90115, 126161, 146605, 205247, 255605, 630805, 1026235, 1964507, 9822535, 13751549, 68757745]

約数ペア:

[(1, 68757745), (5, 13751549), (7, 9822535), (35, 1964507), (67, 1026235), (109, 630805), (269, 255605), (335, 205247), (469, 146605), (545, 126161), (763, 90115), (1345, 51121), (1883, 36515), (2345, 29321), (3815, 18023), (7303, 9415)]