820159529

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2969}}^1$

素因数の和:3093

約数の個数: 32

約数和(自身を含む): 1034035200

約数和(自身を除く): 213875671

約数列:

[1, 7, 19, 31, 67, 133, 217, 469, 589, 1273, 2077, 2969, 4123, 8911, 14539, 20783, 39463, 56411, 92039, 198923, 276241, 394877, 644273, 1392461, 1748741, 3779537, 6166613, 12241187, 26456759, 43166291, 117165647, 820159529]

約数ペア:

[(1, 820159529), (7, 117165647), (19, 43166291), (31, 26456759), (67, 12241187), (133, 6166613), (217, 3779537), (469, 1748741), (589, 1392461), (1273, 644273), (2077, 394877), (2969, 276241), (4123, 198923), (8911, 92039), (14539, 56411), (20783, 39463)]