64013885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 87077760

約数和(自身を除く): 23063875

約数列:

[1, 5, 13, 37, 43, 65, 185, 215, 481, 559, 619, 1591, 2405, 2795, 3095, 7955, 8047, 20683, 22903, 26617, 40235, 103415, 114515, 133085, 297739, 346021, 984829, 1488695, 1730105, 4924145, 12802777, 64013885]

約数ペア:

[(1, 64013885), (5, 12802777), (13, 4924145), (37, 1730105), (43, 1488695), (65, 984829), (185, 346021), (215, 297739), (481, 133085), (559, 114515), (619, 103415), (1591, 40235), (2405, 26617), (2795, 22903), (3095, 20683), (7955, 8047)]