157681307

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 203046912

約数和(自身を除く): 45365605

約数列:

[1, 7, 17, 23, 53, 119, 161, 371, 391, 901, 1087, 1219, 2737, 6307, 7609, 8533, 18479, 20723, 25001, 57611, 129353, 145061, 175007, 403277, 425017, 979387, 1325053, 2975119, 6855709, 9275371, 22525901, 157681307]

約数ペア:

[(1, 157681307), (7, 22525901), (17, 9275371), (23, 6855709), (53, 2975119), (119, 1325053), (161, 979387), (371, 425017), (391, 403277), (901, 175007), (1087, 145061), (1219, 129353), (2737, 57611), (6307, 25001), (7609, 20723), (8533, 18479)]