42639805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9791}}^1$

素因数の和:9876

約数の個数: 16

約数和(自身を含む): 55931904

約数和(自身を除く): 13292099

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 9791, 48955, 127283, 636415, 655997, 3279985, 8527961, 42639805]

約数ペア:

[(1, 42639805), (5, 8527961), (13, 3279985), (65, 655997), (67, 636415), (335, 127283), (871, 48955), (4355, 9791)]