138180065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 180144000

約数和(自身を除く): 41963935

約数列:

[1, 5, 19, 59, 89, 95, 277, 295, 445, 1121, 1385, 1691, 5251, 5263, 5605, 8455, 16343, 24653, 26255, 26315, 81715, 99769, 123265, 310517, 468407, 498845, 1454527, 1552585, 2342035, 7272635, 27636013, 138180065]

約数ペア:

[(1, 138180065), (5, 27636013), (19, 7272635), (59, 2342035), (89, 1552585), (95, 1454527), (277, 498845), (295, 468407), (445, 310517), (1121, 123265), (1385, 99769), (1691, 81715), (5251, 26315), (5263, 26255), (5605, 24653), (8455, 16343)]