640728181

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{52861}}^1$

素因数の和:52932

約数の個数: 16

約数和(自身を含む): 730764288

約数和(自身を除く): 90036107

約数列:

[1, 17, 23, 31, 391, 527, 713, 12121, 52861, 898637, 1215803, 1638691, 20668651, 27857747, 37689893, 640728181]

約数ペア:

[(1, 640728181), (17, 37689893), (23, 27857747), (31, 20668651), (391, 1638691), (527, 1215803), (713, 898637), (12121, 52861)]