208069719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7951}}^1$

素因数の和:8039

約数の個数: 32

約数和(自身を含む): 331312128

約数和(自身を除く): 123242409

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 793, 2013, 2379, 7951, 8723, 23853, 26169, 87461, 103363, 262383, 310089, 485011, 1136993, 1455033, 3410979, 5335121, 6305143, 16005363, 18915429, 69356573, 208069719]

約数ペア:

[(1, 208069719), (3, 69356573), (11, 18915429), (13, 16005363), (33, 6305143), (39, 5335121), (61, 3410979), (143, 1455033), (183, 1136993), (429, 485011), (671, 310089), (793, 262383), (2013, 103363), (2379, 87461), (7951, 26169), (8723, 23853)]