16738865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 24216192

約数和(自身を除く): 7477327

約数列:

[1, 5, 11, 13, 41, 55, 65, 143, 205, 451, 533, 571, 715, 2255, 2665, 2855, 5863, 6281, 7423, 23411, 29315, 31405, 37115, 81653, 117055, 257521, 304343, 408265, 1287605, 1521715, 3347773, 16738865]

約数ペア:

[(1, 16738865), (5, 3347773), (11, 1521715), (13, 1287605), (41, 408265), (55, 304343), (65, 257521), (143, 117055), (205, 81653), (451, 37115), (533, 31405), (571, 29315), (715, 23411), (2255, 7423), (2665, 6281), (2855, 5863)]