81699170

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23819}}^1$

素因数の和:23847

約数の個数: 32

約数和(自身を含む): 171504000

約数和(自身を除く): 89804830

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 23819, 47638, 119095, 166733, 238190, 333466, 833665, 1167131, 1667330, 2334262, 5835655, 8169917, 11671310, 16339834, 40849585, 81699170]

約数ペア:

[(1, 81699170), (2, 40849585), (5, 16339834), (7, 11671310), (10, 8169917), (14, 5835655), (35, 2334262), (49, 1667330), (70, 1167131), (98, 833665), (245, 333466), (343, 238190), (490, 166733), (686, 119095), (1715, 47638), (3430, 23819)]