165942265

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 209986560

約数和(自身を除く): 44044295

約数列:

[1, 5, 61, 71, 79, 97, 305, 355, 395, 485, 4331, 4819, 5609, 5917, 6887, 7663, 21655, 24095, 28045, 29585, 34435, 38315, 342149, 420107, 467443, 544073, 1710745, 2100535, 2337215, 2720365, 33188453, 165942265]

約数ペア:

[(1, 165942265), (5, 33188453), (61, 2720365), (71, 2337215), (79, 2100535), (97, 1710745), (305, 544073), (355, 467443), (395, 420107), (485, 342149), (4331, 38315), (4819, 34435), (5609, 29585), (5917, 28045), (6887, 24095), (7663, 21655)]