20161177918

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{185077}}^1$

素因数の和:185368

約数の個数: 32

約数和(自身を含む): 35819255808

約数和(自身を除く): 15658077890

約数列:

[1, 2, 7, 14, 31, 62, 217, 251, 434, 502, 1757, 3514, 7781, 15562, 54467, 108934, 185077, 370154, 1295539, 2591078, 5737387, 11474774, 40161709, 46454327, 80323418, 92908654, 325180289, 650360578, 1440084137, 2880168274, 10080588959, 20161177918]

約数ペア:

[(1, 20161177918), (2, 10080588959), (7, 2880168274), (14, 1440084137), (31, 650360578), (62, 325180289), (217, 92908654), (251, 80323418), (434, 46454327), (502, 40161709), (1757, 11474774), (3514, 5737387), (7781, 2591078), (15562, 1295539), (54467, 370154), (108934, 185077)]