28645955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 39044544

約数和(自身を除く): 10398589

約数列:

[1, 5, 13, 37, 43, 65, 185, 215, 277, 481, 559, 1385, 1591, 2405, 2795, 3601, 7955, 10249, 11911, 18005, 20683, 51245, 59555, 103415, 133237, 154843, 440707, 666185, 774215, 2203535, 5729191, 28645955]

約数ペア:

[(1, 28645955), (5, 5729191), (13, 2203535), (37, 774215), (43, 666185), (65, 440707), (185, 154843), (215, 133237), (277, 103415), (481, 59555), (559, 51245), (1385, 20683), (1591, 18005), (2405, 11911), (2795, 10249), (3601, 7955)]