681836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 1302336

約数和(自身を除く): 620500

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 271, 542, 629, 1084, 1258, 2516, 4607, 9214, 10027, 18428, 20054, 40108, 170459, 340918, 681836]

約数ペア:

[(1, 681836), (2, 340918), (4, 170459), (17, 40108), (34, 20054), (37, 18428), (68, 10027), (74, 9214), (148, 4607), (271, 2516), (542, 1258), (629, 1084)]